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Botany 5

Description: Botany 5
Number of Questions: 40
Created by:
Tags: Botany 5 Mendalian Inheritance Mendel-s Law of Inheritance Flower Reproduction in Plants Reproduction Fruit Leaf
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The seed coat is fused with the pericarp in

  1. legume

  2. sorosis

  3. caryopsis

  4. drupe


Correct Option: C
Explanation:

 The seed coat is fused with the pericarp in caryopsis.

The Holland scientist who rediscovered Mendel's work was:

  1. Hugo de Vries

  2. Correns

  3. Tshermak

  4. Darwin


Correct Option: A

If the tepals are united, it is called:

  1. polyphyllous

  2. polygamous

  3. syncarpous

  4. gamophyllous


Correct Option: D

Reproductive morphology includes

  1. inflorescence and fruits

  2. fruits and seeds

  3. inflorescence, fruits and seeds

  4. inflorescence, flowers, fruits and seeds


Correct Option: D

Experiments in plant hydridization were first performed by:

  1. Hugo de Vries

  2. Mendel

  3. Darwin

  4. Correns


Correct Option: B

Fruit which develops from a single flower having polycarperllary, apocarpous gynoecium is known as:

  1. simple fruit

  2. aggregate fruit

  3. multiple fruit

  4. composite fruit


Correct Option: B

(A) The rim of the pitcher of Nepenthes is beautifully coloured. (B) The rim of the pitcher is provided with a row of nectar glands for attracting insects.

  1. A is true; B is false

  2. A is false; B is true

  3. Both are true

  4. Both are false


Correct Option: C

Verticillaster type of inflorescence is the characteristic feature of ______ family.

  1. asteraceae

  2. lamiaceae

  3. rubiaceae

  4. solanaceae


Correct Option: B

Water present in the plant tissues escapes out in the form of water vapour through the process called

  1. transpiration

  2. photosynthesis

  3. respiration

  4. both (1) and (3)


Correct Option: A

The Austrian scientist who rediscovered Mendel's work was:

  1. Darwin

  2. Tschermak

  3. Hugo de Vries

  4. Lamarck


Correct Option: B

Who is called the 'Father of Genetics'?

  1. Hugo de Vries

  2. Correns

  3. Tschermak

  4. Mendel


Correct Option: D

Stem is positively

  1. phototropic

  2. geotropic

  3. thigomotropic

  4. heliotropic


Correct Option: A

Phyllode is an adaptation in some _____ plants.

  1. hydrophytic

  2. mesophytic

  3. epiphytic

  4. xerophytic


Correct Option: D

Mendel performed his experiments on _______ plant.

  1. pisum sativum

  2. cajanus cajan

  3. clitoria ternatea

  4. none of these


Correct Option: A

An entire flower is considered as a condensed and modified

  1. leaf

  2. shoot

  3. stem

  4. plant


Correct Option: B

The seed is covered by persistent bract and bracteoles (chaff) in:

  1. pisum

  2. tomato

  3. polyalthia

  4. paddy


Correct Option: D

Which is an applied branch of genetics?

  1. Physiology

  2. Heredity

  3. Plant breeding

  4. Variation


Correct Option: C

Bamboo is an example for

  1. annual

  2. biennial

  3. biannual

  4. perennial


Correct Option: D

The axis of inflorescence is called

  1. pedicel

  2. peduncle

  3. stipule

  4. bract


Correct Option: B

Which one is an asymmetrical flower?

  1. Crotalaria

  2. Hibiscus

  3. Tridax

  4. Canna


Correct Option: D

Scale leaves are characteristic feature of

  1. underground stem

  2. aerial stem

  3. sub aerial stem

  4. hydrophytic stem


Correct Option: A

_______ the branch of biology which deals with heredity and variation.

  1. Embryology

  2. Genetics

  3. Plant breeding

  4. Physiology


Correct Option: B

Bracts are _______ at whose axil flowers develop.

  1. special sepals

  2. special petals

  3. special leaves

  4. secials tepals


Correct Option: C

______ means the tepals are free.

  1. Gamophyllous

  2. Polyphyllous

  3. Polygamous

  4. Syncarpous


Correct Option: B

In _______, the opening up of flowers proceeds regularly from below to upwards.

  1. basipetal succession

  2. centrifugal succession

  3. acropetal succession

  4. either (1) or (2)


Correct Option: C

Runners, stolons, offsets and suckersare examples for

  1. aerial stem

  2. sub-aerial stem

  3. climbers

  4. twiners


Correct Option: B

Flowers having unequal number of floral parts whorl are called _____.

  1. anisomerous

  2. isomerous

  3. pentamerous

  4. tetramerous


Correct Option: A

A flower which can be cut into two equal halves only through one particular plane is said to be:

  1. actinomorphic

  2. zygomorphic

  3. polygamous

  4. perianth


Correct Option: B

The phenotypic ratio of monohybrid cross is:

  1. 1 : 2 : 1

  2. 1 : 1 : 2

  3. 1 : 3

  4. 3 : 1


Correct Option: D

A compound leaf is one in which the leaf blade is divided into a number of small leaf like structures known as

  1. leaf-lets

  2. pinnae

  3. rachis

  4. either (1) or (2)


Correct Option: D

The leaflets _____ axillary buds in their axils.

  1. always bear

  2. do not bear

  3. rarely bear

  4. frequently bear


Correct Option: B

______ are lateral branches developing from the axillary buds on the underground part of the stem.

  1. Climbers

  2. Twiners

  3. Suckers

  4. Herbs


Correct Option: C

In compound leaves, the pinna refers to

  1. main leaf

  2. leaflet

  3. feather

  4. rachis


Correct Option: B

The height of a dwarf plant which Mendel chose was:

  1. 47 cm

  2. 44 cm

  3. 45 cm

  4. 46 cm


Correct Option: C

Pinna means

  1. main leaf

  2. rachis

  3. feather

  4. lamina


Correct Option: C

Chrysanthemum is an example for

  1. offset

  2. stolen

  3. runner

  4. sucker


Correct Option: D

The flowers which have two accessory whorls are called:

  1. dichlamydeous

  2. monoch; amydeous

  3. diadelphous

  4. achlamydeous


Correct Option: A

Clitoria is an example for _____ leaf.

  1. simple dissected

  2. pinnately compound

  3. palmately compound

  4. heterophyllous


Correct Option: B

A ______ cross is named so because it helps to determine whether an individual showing a dominant character is homozygous or heterozygous.

  1. back

  2. test

  3. filial

  4. reciprocal


Correct Option: B

The normal function of leaves include

  1. photosynthesis

  2. transpiration

  3. respiration

  4. All the above


Correct Option: D
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