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 Multiple Choice QuestionsMultiple Choice Questions

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11.

Typical growth curve in plants is

  • sigmoid

  • linear

  • Stair-steps shaped

  • Stair-steps shaped

812 Views

12.

Typical growth curve in plants is 

  • sigmoid

  • linear

  • stair-steps shaped

  • stair-steps shaped

551 Views

13.

A drupe develop in 

  • Wheat

  • pea

  • tomato

  • tomato

352 Views

14.

Phototropic curvature is the result of uneven distribution of 

  • gibberellin

  • phytochrome

  • cytokinins

  • cytokinins

521 Views

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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

706 Views

17.

Root development is promoted by

  • abscisic acid

  • auxin

  • gibberellin

  • gibberellin

588 Views

18.

Stroma in the chloroplasts of higher plants contains

  • light -independent reaction enzymes

  • Light -dependent reaction enzymes

  • ribosomes

  • ribosomes

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19.

One of the synthetic auxins is

  • NAA

  • IAA

  • GA

  • GA

370 Views

20.

In which one of the following, the male and female gametophytes don't have free -living independent existence ?

  • Pteris

  • Funaria

  • Polytrichum

  • Polytrichum

510 Views

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