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Botany 3

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The aerial pseudostem of musa is called

  1. offset

  2. tuber

  3. collar

  4. shaft


Correct Option: D
Explanation:

 The aerial pseudostem of musa is called shaft.

Underground stems differ from roots in having

  1. nodes and internodes

  2. axillary and terminal buds

  3. scale leaves

  4. All of the above


Correct Option: D
Explanation:

 The correct answer is option 4.

The process during which pyruvic acid is converted into ethyl alcohol or organic acids is called as

  1. fermentation

  2. glycolysis

  3. photosynthesis

  4. aerobic respiration


Correct Option: A

Euphorbia pulcherrima and Codiaeum variegatum are _____ plants.

  1. ornamental

  2. medicinal

  3. timber

  4. food


Correct Option: A

In ______, the simple cymes are arranged in a racemose manner

  1. verticillaster

  2. thyrsus

  3. monochasial

  4. hypanthodium


Correct Option: B

In Leucas aspera, the inflorescence is of ______ type.

  1. thyrsus

  2. cyathium

  3. verticillaster

  4. hypanthodium


Correct Option: C

Onion is a

  1. rhizome

  2. corm

  3. tuber

  4. bulb


Correct Option: D

In India, Musaceae is represented by _______ genus/genera.

  1. single

  2. four

  3. six

  4. eight


Correct Option: A

2 moles 1, 3 - bisphosphoglycericacid + 2NADPH2 à 2 moles glyceraldehydes 3 phosphate.This reaction is catalysed by:

  1. PGA kinase

  2. Aldolase

  3. Glyceraldehyde - 3p dehydrogenase

  4. RUBP carboxylase


Correct Option: C

Musaceae belong to the subclass

  1. microembryae

  2. curve embryae

  3. epigynae

  4. inferae


Correct Option: C

The condition where all the stamens may be fused forming a single bundle is called:

  1. epipetalous

  2. monadelphous

  3. monochlamydeous

  4. monothecous


Correct Option: B
Explanation:

The condition where all the stamens may be fused forming a single bundle is called monadelphous.

Turmeric is a

  1. rhizome

  2. offset

  3. stolon

  4. sucker


Correct Option: A

In ______, the stem remain dormant in the soil.

  1. tubers

  2. rhizomes

  3. bulbs

  4. all the three


Correct Option: B

Potato is an example for __; 'eyes' of potato are __.

  1. roottuber; root nodules

  2. stem tuber; bulbs

  3. rhizome; scale leaves

  4. offset; condensed leaves


Correct Option: B

Musaceae is also known as _____ family.

  1. banana

  2. plam

  3. castor

  4. nut


Correct Option: A

Monadelphous stamen is found in the family:

  1. rubiaceae

  2. musaceae

  3. palmea

  4. malvaceae


Correct Option: D

Other name for thalamus is:

  1. epicalyx

  2. bracteoles

  3. peduncle

  4. receptacle


Correct Option: D

The anthers with single chamber are known as:

  1. monothecous

  2. dithecous

  3. isomerous

  4. anisomerous


Correct Option: A

A cross between pure breeding red and white flowered plants of Mirabilis was first effected by:

  1. Hugo de Vries

  2. Mendel

  3. Correns

  4. Darwin


Correct Option: C

PGA Kinase catalyses the reaction

  1. PGA + ATP à 1, 3 - bispohosphoglycericacid

  2. 1, 3 - bispohosphoglyceriacid à G - 3 - p

  3. RUBP + CO2 à 2 moles of PGA

  4. Er - 4 - p + DHAP à S - 1, 7 BP


Correct Option: A

When the main veins are radiating or spreading out, this phenomenon is called _____ venation.

  1. divergent

  2. convergent

  3. pinnate

  4. reticulate


Correct Option: A

Divergent and Convergent are two types of

  1. pinnately reticulate venation

  2. palmately reticulate venation

  3. palmately parallel venation

  4. both (b) and (c)


Correct Option: D

In ______, ternate phyllotaxy is seen.

  1. allamanda

  2. calotropis

  3. guava

  4. nerium


Correct Option: D

Dihybrid Test Cross ratio is:

  1. 1:1:1:1

  2. 1:1

  3. 9:3:3:1

  4. 12:3:1


Correct Option: A

Dihybrid Test Cross ratio is _______

  1. 1:1:1:1

  2. 1:1

  3. 9:3:3:1

  4. 12:3:1


Correct Option: A

The tip of the floral axis on which the floral leaves are attached is the:

  1. pedicel

  2. peduncle

  3. thalamus

  4. sessile


Correct Option: C

In _______, the tips of the main veins are converging at the apex.

  1. castor

  2. zizyphus

  3. nerium

  4. canna


Correct Option: B

Incomplete dominance is observed in:

  1. psium sativum

  2. cajanus Cajan

  3. saccharum officinarum

  4. mirabilis jalapa


Correct Option: D

Palmyra is an example for

  1. retivulate venation

  2. convergence at the tip

  3. divergence at the tip

  4. both (a) and (c)


Correct Option: C

Grass and bamboo are examples for

  1. parallel vention

  2. convergence at the tip

  3. divergence at the tip

  4. both (a) and (b)


Correct Option: D

The inheritance of characters of one generation by successive generation is termed:

  1. heredity

  2. variation

  3. genetics

  4. plant breeding


Correct Option: A

The ratio of a test cross is:

  1. 9:3:3:1

  2. 9:3:3:3

  3. 9:3:1:3

  4. 9:1:3:3


Correct Option: A

Epicalyx is formed by:

  1. bract

  2. bracteoles

  3. bud

  4. pedicel


Correct Option: B

The mode of arrangement of leaves on the stem is termed as

  1. venation

  2. phyllotaxy

  3. vasculature

  4. chemotaxy


Correct Option: B

Underground stems are useful for

  1. storing up reserve food

  2. vegetative propagation

  3. perennation

  4. all the above three


Correct Option: D

A cross between a hybrid and any of the pure breeding parental types is known as:

  1. test cross

  2. back cross

  3. monohybrid cross

  4. dihybrid cross


Correct Option: B

Leaves are alternately arranged in:

  1. sunflower

  2. polyalthia

  3. both (a) and (b)

  4. guava


Correct Option: C

In phyllotaxy, the word phyllum refers to

  1. stem

  2. vein

  3. leaf

  4. petiole


Correct Option: C

The phyllotaxy in Guava is

  1. alternate

  2. superposed

  3. decussate

  4. ternate


Correct Option: B

Traveller's palm is botanically known as

  1. musa

  2. ravenala

  3. sterlitzia

  4. heliconia


Correct Option: B
Explanation:

 Traveller's palm is botanically known as ravenala.

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