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Botany 6

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How many NADH2 is/are formed in glycolysis?

  1. 2

  2. 3

  3. 1

  4. 4


Correct Option: A

Reticulate venation is found in ________.

  1. castor

  2. mango

  3. zizyphus

  4. grass


Correct Option: B

The example for monocarpic perennial is:

  1. tamarind

  2. agave

  3. hibiscus

  4. mango tree


Correct Option: B

Gibberellins were extracted from _______.

  1. bacteria

  2. algae

  3. virus

  4. fungi


Correct Option: D

The loss of water in a liquid form is called _______.

  1. hydathodes

  2. transpiration

  3. diffusion

  4. guttation


Correct Option: D

The enzyme which converts Glucose 6-phosphate to fructose 6-phosphate is _____.

  1. phosphogluco isomerase

  2. hexokinase

  3. aldolase

  4. enolase


Correct Option: A

Fructose, 1, 6-biphosphate is converted into Glyceraldehyde 3-phosphate and Dihydroxyacetone phosphate by the enzyme ________.

  1. enolase

  2. aldolase

  3. kinase

  4. dehydrogenase


Correct Option: B

Tamarind is an example for_______.

  1. biennial

  2. annual

  3. monocarpic perennial

  4. polycarpic perennial


Correct Option: D

Apparatus for measuring root pressure is _______.

  1. potometer

  2. anemometer

  3. mercury manometer

  4. auxanometer


Correct Option: C

The chief water conducting elements of ferns and gymnosperms are

  1. vessels

  2. fibres

  3. tracheids

  4. sieve elements


Correct Option: C

2-phosphoglyceric acid is converted into phosphoenol pyruvic acid by _________.

  1. aldolase

  2. kinase

  3. enolase

  4. dehydrogenase


Correct Option: C

The distribution of placenta inside the ovary is known as

  1. placentation

  2. aestivation

  3. polymerisation

  4. vernation


Correct Option: A

The small thin-walled and elongated cells associated with each sieve element are known as

  1. sieve plates

  2. companion cells

  3. phloem fibres

  4. wood fibres


Correct Option: B

Which of the following statements are correct?a) When all the stamens may be fused forming a single bundle, it is called syngenesious stamen b) In diadelphous condition, nine stamens form one bundle and the tenth stamen forms second bundle c) Clitoria has monadelphous stamens d) When the stamens are attached to petals, they are termed as epipetalous

  1. (a) and (c)

  2. (b) and (c)

  3. (b) and (d)

  4. (c) and (d)


Correct Option: C

The arrangement of leaves on the stem is termed _______

  1. aestivation

  2. venation

  3. phyllotaxy

  4. placentation


Correct Option: C

A family in which the number of locules is not similar to the number of carpels is:

  1. malvaceae

  2. euphorbiaceae

  3. asterceae

  4. fabaceae


Correct Option: C

_______ performed experiments on fruits fly.

  1. T.H.Morgan

  2. Bateson

  3. Punnett

  4. Sinnot


Correct Option: A

The tissue which perpetuates itself by active cell division is

  1. permanent tissue

  2. meristematic tissue

  3. ground tissue

  4. vascular tissue


Correct Option: B

Plant growth hormones extracted from a fungus and a fish are respectively

  1. auxins and 2, 4-D

  2. ethylene and cytokinin

  3. gibberellin and kinetin

  4. gibberellin and zeatin


Correct Option: C

When all the stamens fuse forming a single bundle, it is called

  1. monadelphous

  2. diadelphous

  3. syngenesious

  4. epipetalous


Correct Option: A

The ovules inside the ovary are attached to a special tissue called

  1. connective tissue

  2. placenta

  3. vexillum

  4. collenchyma


Correct Option: B

Which one is gene mutation?

  1. Insertion

  2. Duplication

  3. inversion

  4. Translocation


Correct Option: A

Which the following statements are true?

(a) Marginal placentation develops from bicarpellary and unilocular ovary(b) Axile placentation develops from monocarpellary and unilocular ovary (c) Parietal placentation develops from multicarpellary, syncarpous and unilocular ovary (d) Basal placentation develops from bicarpellary, syncarpous and unilocular ovary

  1. (a) and (b)

  2. (c) and (d)

  3. (a) and (c)

  4. (b) and (c)


Correct Option: B

The terminal flowers are older while lateral ones are younger in _______.

  1. head

  2. catkin

  3. umbel

  4. simple cyme


Correct Option: D

In monocot stem, the lacuna is formed by the disintegration of

  1. protoxylem

  2. metaxylem

  3. protophloem

  4. matephloem


Correct Option: A

All the florets are disc florets in _______.

  1. vernonia

  2. launaea

  3. sunflower

  4. tridax


Correct Option: A

In the primary structure of Dicot root, the outer most layer of tubular living cells is known as

  1. exodermis

  2. hypodermis

  3. epidermis

  4. rhizodermis


Correct Option: D

A stamen may not develop fertile anther; such a sterile stamen is called

  1. pistillode

  2. staminode

  3. internode

  4. placenta


Correct Option: B

The largest family of flowering plants is

  1. fabaceae

  2. musaceae

  3. euphorbiaceae

  4. asteraceae


Correct Option: D

Other name for glycolysis is ________.

  1. Calvin cycle

  2. EMP pathway

  3. TCA cycle

  4. Citric acid cycle


Correct Option: B

To which tissue in the roots, the starch sheath present in the dicot stem is morphologically homologous?

  1. Bundle sheath

  2. Peri cycle

  3. Bundle cap

  4. Endodermis


Correct Option: D

The number of molecules of pyruvic acid formed by the degradation of one molecule of glucose is _________.

  1. 5

  2. 4

  3. 3

  4. 2


Correct Option: D

A plant having staminode is

  1. crotalaria

  2. ravenala

  3. hibiscus

  4. cassia


Correct Option: D

An insecticide made from the dried flower heads of Chrysanthemum cinerarifolium is

  1. santonin

  2. pyrethrum

  3. ephedrine

  4. primaquin


Correct Option: B

The number of ovule/s present in the ovary of Asteraceae is/are:

  1. one

  2. two

  3. four

  4. many


Correct Option: A

Who termed mutation as discontinuous change?

  1. Darin

  2. Morgan

  3. Bateson

  4. Punnett


Correct Option: C

The type of placentation found in pentacarpellary, syncarpous and pentalocular ovary is

  1. parietal placentation

  2. marginal placentation

  3. axile placentation

  4. basel placentation


Correct Option: C

Parietal placentation is found in

  1. multicarpellary, yncarpous and multilocular ovary

  2. multicarpellary, syncarpous and unilocular ovary

  3. monocarpellary and unilocular ovary

  4. bicarpellary and syncarpous unilocular ovary


Correct Option: B

Cork cambium is also called

  1. periderm

  2. phellogen

  3. phellem

  4. rhizoderm


Correct Option: B

The important finding in Went's experiment was

  1. that the curvature of coleptile was proportional to the concentration of auxins

  2. the presence of elongation promoting substance in all cells of root

  3. that the curvature in few coleoptiles was due to irregular elongation of cells

  4. that there is unequal distribution of elongation promoting substance in Avena coleoptile


Correct Option: A
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