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Plant Growth and Development

Multiple Choice Questions

11.

Typical growth curve in plants is

sigmoid
linear
Stair-steps shaped
Stair-steps shaped

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12.

Typical growth curve in plants is

sigmoid
linear
stair-steps shaped
stair-steps shaped

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13.

A drupe develop in

Wheat
pea
tomato
tomato

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14.

Phototropic curvature is the result of uneven distribution of

gibberellin
phytochrome
cytokinins
cytokinins

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15.

The technical term used for the androecium in a flower of China rose (Hibiscus rosa siensis( is

monadelphous
diadelphous
polyandrous
polyandrous

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16.

One of the commonly used plant growth hormone in tea plantations is

ethylene
abscisic acid
Zeatin
Zeatin

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17.

Root development is promoted by

abscisic acid
auxin
gibberellin
gibberellin

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18.
Stroma in the chloroplasts of higher plants contains

light -independent reaction enzymes

Light -dependent reaction enzymes

ribosomes

ribosomes

light -independent reaction enzymes

In higher plants, enzymes for light-independent reactions (dark reactions) are present in the stroma of chloroplasts.
The light-dependent reaction occurs in grana of the chloroplast.
Ribosomes are necessary for protein synthesis.
Chlorophyll is green photosynthetic pigment found in chloroplasts.

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