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BIOLOGY-5

Description: CLASS XII/MBBS/CEE/BDS
Number of Questions: 100
Created by:
Tags: BIO/MOKE TEST Golgi Bodies/Dictyosomes Golgi Apparatus Meiosis Meiosis 1 Cell Membrane Cell Membrane and Fluid Mosaic Model Enzymes
Attempted 0/100 Correct 0 Score 0

Chitin as an exoskeleton is found in

  1. periplaneta

  2. ascaris

  3. pheretima

  4. hydra

  5. amoeba


Correct Option: A

The function of golgi complex is

  1. excretion

  2. respiration

  3. secretion

  4. reduction

  5. osmoregulation


Correct Option: C

The number of chromosomes become half in:

  1. anaphase-I

  2. anaphase-II

  3. telophase-I

  4. telophase-II

  5. metaphase


Correct Option: A

Hydrolases are found in:

  1. lysosomes

  2. ribosomes

  3. mesosomes

  4. peroxisomes

  5. none of these


Correct Option: A

In protoplasm, fat is stored in the form of:

  1. polypeptide

  2. triglyceride

  3. polysaccharide

  4. nucleosides

  5. monosaccharide


Correct Option: B

Antibody is formed by:

  1. protein

  2. carbohydrate

  3. nucleic acid

  4. lipid

  5. vitamin


Correct Option: A

Food stored as oil in

  1. Chlamydomonas

  2. Oedogonium

  3. Vaucheria

  4. Chara

  5. Ulothrix


Correct Option: C

Chiasmata are formed

  1. due to crossing over of some part between homologous chromosomes

  2. due to crossing over of some part between non-homologous chromosomes

  3. due to duplication of homologous and non-homologous chromosomes

  4. due to loss of some part of chromosomes

  5. none of the above


Correct Option: A

BOD is increased by:

  1. algae

  2. moss

  3. fern

  4. distillated wastes

  5. none of these


Correct Option: A

Which plant has lowest number of chromosomes found in it:

  1. haplopappus

  2. cyprus

  3. salix

  4. both (b) and (c)

  5. none of these


Correct Option: A

Peat moss is:

  1. funaria

  2. ferns

  3. algae

  4. sphagnum

  5. fungi


Correct Option: D

Lipid bilayer is present in:

  1. plasma membrane

  2. ribosomes

  3. chromosome

  4. nucleolus

  5. mitochondria


Correct Option: A

Acrosome is formed by:

  1. mitochondria

  2. golgi body

  3. ribosomes

  4. lysosomes

  5. mesosomes


Correct Option: B

The proteinaceous toxin producing bacteria, which is used to control biological pest is:

  1. E. coli

  2. Agrobacterium

  3. Mycobacterium sp

  4. B. thuringiensis

  5. None of these


Correct Option: D

The bacteria which cause the diseases of citrus is

  1. citrus leaf spot

  2. stunt disease

  3. citrus canker

  4. citrus greening leaf disease

  5. none of these


Correct Option: C

In which of the following features do the bryophytes differ from algae?

  1. They are terrestrial.

  2. They have a sterile jacket.

  3. They produce biflagellate gametes.

  4. Both (1) and (2)

  5. None of the above


Correct Option: B

Bacteria with flagella at one end is called:

  1. monotrichous

  2. lophotrichous

  3. amphitrichous

  4. peritrichous

  5. none of these


Correct Option: A

Which of the following is of great importance in genetics?

  1. Penicillium

  2. Cleviceps

  3. Neurospora

  4. Both of (a) and (b)

  5. None of these


Correct Option: C

Viruses have:

  1. RNA

  2. DNA

  3. either RNA or DNA

  4. neither DNA nor RNA

  5. none of the above


Correct Option: C

O2 is not evolved in photosynthesis of:

  1. BGA

  2. green algae

  3. bacteria

  4. autotrophic plants

  5. none of these


Correct Option: C

The absence of which of the following structures leads to the formation of naked seeds?

  1. Integument

  2. Nucellus

  3. Ovary wall

  4. Perianth

  5. None of these.


Correct Option: C

Which of the following groups is evolutionary modern?

  1. Gymnosperms

  2. Grasses

  3. Pteridophytes

  4. Algae

  5. Fungi


Correct Option: B

Photosynthetic pigment of bacteria is:

  1. chromoplast

  2. chloroplast

  3. leucoplast

  4. chromatophore

  5. none of these


Correct Option: D

Genes for haemophilia diseases are located on:

  1. autosomes

  2. mitochondria

  3. chloroplasts

  4. sex chromosomes

  5. ribosomes


Correct Option: D

Stratification occurs in a:

  1. desert

  2. tropical forest

  3. deciduous forest

  4. tundra

  5. none of these


Correct Option: B

Which of the following is the most stable ecosystem?

  1. Desert

  2. Marine ecosystem

  3. Mountain

  4. Forest

  5. None of these


Correct Option: B

Ecological pyramids were discovered by.

  1. Elton

  2. Odum

  3. Reiter

  4. Morgan

  5. None of these


Correct Option: A

Who among the following rediscovered Mendel's work?

  1. Muller

  2. Morgan

  3. Correns

  4. Bridge

  5. Robertson


Correct Option: C

During anaerobic respiration in yeast, how many glucose molecules are required for the production of 38 ATPs?

  1. 1

  2. 2

  3. 19

  4. 38

  5. 20


Correct Option: C

Kerbs cycle is completed by

  1. hydrogenation

  2. oxidation

  3. nitrification

  4. reduction

  5. none of these


Correct Option: B

Haptonastic movement is found in:

  1. Drosera

  2. Oxalis

  3. Mimosa

  4. Cucurbita

  5. None of these


Correct Option: A

Tulip belongs to family:

  1. Asteraceae

  2. Liliaceae

  3. Brassicaceae

  4. Malvaceae

  5. Cucurbitaceae


Correct Option: B

Tetradynamous stamens are found in:

  1. Cruciferae

  2. Amaryllidaceae

  3. Mimoseae

  4. Compositae

  5. Cucurbitaceae


Correct Option: A

The vascular bundle with a cambium is called:

  1. closed

  2. open

  3. exarch

  4. endarch

  5. none of these


Correct Option: B

Chemically heroin is:

  1. Diacetyl morphine

  2. Triacetyl morphine

  3. Tetra acetyl morphine

  4. Monoacetyl morphine

  5. Penta acetyl morphine


Correct Option: A

Which of the following is the result of double fertilization?

  1. Cortyledon

  2. Nucellus

  3. Endosperm

  4. Both (a) and (b)

  5. None of these


Correct Option: C

Bicollateral bundles are found in:

  1. Cucurbitaceae

  2. Malvaceae

  3. Cruciferae

  4. Both (a) and (b)

  5. None of these


Correct Option: A

Pollen tube enters through micropyle in:

  1. porogamy

  2. chalazogamy

  3. syngamy

  4. mesogamy

  5. none of these


Correct Option: A

Embryo sac is

  1. megagametophyte

  2. magasporophyte

  3. magasporophyll

  4. endosperm

  5. none of these


Correct Option: A

Which of the following is the region of cell division?

  1. Root cap

  2. Meristematic region

  3. Root hair zone

  4. Both (a) and (b)

  5. None of these


Correct Option: B

Which of the following molecules is a by-product of oxidative phosphorylation?

  1. ATP in photosynthesis

  2. ATP in respiration

  3. NADPH2 in photosynthesis

  4. NADPH2 in respiration

  5. None of these


Correct Option: B

Natural auxin is:

  1. NAA

  2. IAA

  3. 2,4-D

  4. Aviton

  5. Both (a) and (b)


Correct Option: B

How many letters are used in a genetic code?

  1. 1

  2. 2

  3. 3

  4. 4

  5. 6


Correct Option: C

Which of the following scientific names is written correctly according to the conventions of binomial nomenclature?

  1. Brassica indica

  2. Mengifera Indica

  3. SOLANUM MELONGINA

  4. Mimosa Pudica

  5. Both (1) and (3)


Correct Option: A

Which of the following crucifers shows an exceptional presence of two stamens?

  1. Nastrusium

  2. Senebiera

  3. Raphanus

  4. Brassica

  5. None of these


Correct Option: B

Stomata are also called

  1. fine pore

  2. lenticels

  3. hydathods

  4. bark

  5. stomas


Correct Option: A

The difference between prokaryotes and eukaryotes is:

  1. of cell size

  2. of cell shape

  3. in the chemical composition of protoplasm

  4. in the organization of nuclear materials

  5. none of above


Correct Option: D

The soil water available to plants is:

  1. capillary water

  2. chemically bound water

  3. gravitational water

  4. hygroscopic water

  5. none of these


Correct Option: A

Who among the following discovered the super bugs?

  1. H.G. Khorana

  2. Dilip Sah

  3. Anand Mohan Chakarwarty

  4. Robert

  5. Malthas


Correct Option: C

Genes are located on:

  1. chromosomes

  2. ribosomes

  3. lysosomes

  4. sphaerosomes

  5. oxysomes


Correct Option: A

The infective stage of Plasmodium in humans is:

  1. Sporozoite

  2. Trophozoite

  3. Gametocyte

  4. Merozoite

  5. None of these


Correct Option: A

In Amoeba, osmoregulation takes place by:

  1. contractile vacuole

  2. ectoplasm

  3. pseudopodia

  4. hyaloplasm

  5. food vacuole


Correct Option: A

In Plasmodium, ookinete is formed by:

  1. Trophozoite

  2. Zygote

  3. Sporozoite

  4. Merozoite

  5. Microzoite


Correct Option: C

Which of the following is a bicarpellary, syncarpus and pseudoseptum fruit?

  1. Siliqua

  2. Akene

  3. Capsule

  4. Both (1) and (2)

  5. All of these


Correct Option: A

Periderm includes:

  1. phellum, phelloderm, plerome

  2. phellum, phellogen, dermatogen

  3. phellum, phellogen, phelloderm

  4. phellum, phellogen, cortex

  5. none of these


Correct Option: C

When phloem is surrounded completely by xylem, the vascular bundle is called

  1. amphicribral

  2. amphivasal

  3. conjoint

  4. collateral

  5. bicollateral


Correct Option: C

In plasmodium, signet ring stage is formed during:

  1. exo-erythrocytic schizogony

  2. erythrocytic schizogony

  3. sporogony

  4. gamogony

  5. none of the above


Correct Option: B

Lignification is associated with:

  1. xylem

  2. phloem

  3. parenchyma

  4. chlorenchyma

  5. cambium


Correct Option: A

Conditions helpful in photorespiration are:

  1. more O2 and less CO2

  2. less O2 and more CO2

  3. more temperature and less O2

  4. more humidity and less temperature

  5. none of these


Correct Option: A

Radial symmetry is found in:

  1. Frog

  2. Starfish

  3. Humans

  4. Phiesnava

  5. Cockroach


Correct Option: B

During unfavorable conditions Amoeba reproduces through:

  1. binary fission

  2. sporulation

  3. multiple fission

  4. conjugation

  5. budding


Correct Option: C

Haemocoel is present in:

  1. Pheretima

  2. Periplaneta

  3. Sponge

  4. Ascaris

  5. Tapeworm


Correct Option: B

In Hydra, reproduction occurs in favourable conditions by:

  1. budding

  2. gametes

  3. gemules

  4. binary fission

  5. multiple fission


Correct Option: A

Pseudocoel is present in:

  1. Periplaneta

  2. Ascaris

  3. Pheretima

  4. Hydra

  5. Pila


Correct Option: B

Ascaris is found in:

  1. body cavity

  2. lymph nodes

  3. tissue

  4. alimentary canal

  5. blood vessels


Correct Option: D

Ascaris is:

  1. a parasite

  2. an autotroph

  3. facultative autotroph

  4. facultative heterotroph

  5. heterotroph


Correct Option: A

Alimentary canal is absent in:

  1. Cestoda

  2. Gastropoda

  3. Nematode

  4. Pelecypoda

  5. None of these


Correct Option: A

Metameric segmentation is the main feature of:

  1. Annelida

  2. Echinodermata

  3. Arthropoda

  4. Coelenterata

  5. Protozoa


Correct Option: A

Naked DNA without histones is found in:

  1. prokaryotes

  2. eukaryotes

  3. protozoa

  4. coelenterata

  5. porifera


Correct Option: A

Nematoblasts are formed by:

  1. interstitial cells

  2. gland cell

  3. mesoepithelial cell

  4. nerve cells

  5. none of these


Correct Option: A

Spindles are formed by:

  1. microtubules

  2. endoplasmic reticulum

  3. golgi body

  4. peroxisomes

  5. mesosomes


Correct Option: A

Scales are found in:

  1. Pisces

  2. Rabbit

  3. Humans

  4. Rat

  5. Parrot


Correct Option: A

Mitosis occurs in:

  1. skin cells

  2. heart cells

  3. kidney cells

  4. both (1) and (2)

  5. all of these


Correct Option: E

Canal system is present in phylum:

  1. Annelida

  2. Porifera

  3. Acanthocephala

  4. Echinodermata

  5. Arthropoda


Correct Option: B

Ichthyophis belongs to:

  1. Amphibia

  2. Reptilia

  3. Pisces

  4. Aves

  5. Mammals


Correct Option: A

Book lungs are the respiratory organs in:

  1. Protozoans

  2. Cnidarians

  3. Arthropods

  4. Amphibians

  5. Mammals


Correct Option: C

Cleavage found in mesolecithal egg is:

  1. holoblastic and equal

  2. holoblastic and unequal

  3. meroblastic

  4. discoidal

  5. microblastic


Correct Option: B

Egg of frog is:

  1. alecithal

  2. macrolecithal

  3. telolecithal

  4. mesolecithal

  5. none of these


Correct Option: D

Which of the following is not paired in rabbits?

  1. Azygous vein

  2. Hemizygous vein

  3. Caudal vein

  4. Both (a) and (b)

  5. All of these


Correct Option: E

Which of the following is formed in gastrulation?

  1. Archenterons

  2. Heart

  3. Brain

  4. Lungs

  5. None of these


Correct Option: A

Which of the following is the function of nor-epinephrine?

  1. To increase blood pressure

  2. Urine formation

  3. To increase secretion of adrenalin

  4. Both (1) and (2)

  5. None of these


Correct Option: A

Ammonia is converted into urea in:

  1. kidneys

  2. lungs

  3. liver

  4. spleen

  5. intestine


Correct Option: C

Vitamin-C is also called

  1. Oxalic acid

  2. Glutermic acid

  3. Ascorbic acid

  4. Citric acid

  5. Formic acid


Correct Option: C

Corti's organs is present in:

  1. Reisner's membrane

  2. scala vestibuli

  3. Basilar's membrane

  4. Middle lamella

  5. None of above


Correct Option: C

Eggs of cockroach give rise to:

  1. Nymph

  2. Caterpillar

  3. Larva

  4. Pupa

  5. None of these


Correct Option: A

Which of the following is not an insect?

  1. Spider

  2. Housefly

  3. Cockroach

  4. Mosquito

  5. None of these.


Correct Option: E

Echolocation system is found in:

  1. Equus

  2. Amphibia

  3. Bat

  4. Oryctolagus

  5. None of these


Correct Option: C

Which of the following is a reptile?

  1. Salamander

  2. Newt

  3. Toad

  4. Turtles

  5. Frog


Correct Option: D

Yellow spot is found in:

  1. muscles

  2. nerves

  3. kidney

  4. eyes

  5. lungs


Correct Option: D

Which of the following is not a part of hindbrain?

  1. Thalamus

  2. Cerebellum

  3. Pons

  4. Medulla

  5. None of these


Correct Option: A

How many types of salivary glands are present in rabbit?

  1. One

  2. Two

  3. Three

  4. Four

  5. Five


Correct Option: D

Typhlosole is found in:

  1. Pheretima

  2. Periplaneta

  3. Hydra

  4. Ascaris

  5. Paramecium


Correct Option: A

Which of the following is not a characteristic feature of birds?

  1. cold bloodedness

  2. presence of pneumatic bones

  3. lungs with air sacs

  4. presence of amnion

  5. None of these


Correct Option: A

The ultimate energy source of ecosystem is:

  1. solar energy

  2. biomass

  3. producer

  4. carbohydrates

  5. none of these


Correct Option: A

If the testis fail to descend in scrotal sacs, the condition is called

  1. Cryptorchidism

  2. Hernia

  3. Castrection

  4. Both (b) and (c)

  5. None of these


Correct Option: A

Which of the following maintain the shape of cell?

  1. Osmotic pressure

  2. Turgor pressure

  3. Wall pressure

  4. Osmosis

  5. Diffusion


Correct Option: C

Covering of vacuoles is formed by:

  1. plasma membrane

  2. tonoplast

  3. leucoplast

  4. symplast

  5. chromoplast


Correct Option: B

Which of the following sugar is present in nucleic acids?

  1. Pentose

  2. Hexose

  3. Fructose

  4. Glucose

  5. Sucrose


Correct Option: A

Vivipary is found in:

  1. Coelenterata

  2. Protozoa

  3. Rabbit

  4. Pisces

  5. Porifera


Correct Option: C

Phenomenon of industrial melanism demonstrates:

  1. reproductive isolation

  2. genetic isolation

  3. natural selection

  4. geographical isolation

  5. none of these


Correct Option: C
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