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 Multiple Choice QuestionsMultiple Choice Questions

31.

How many ovum are developed in ovary of Hydra?

  • Two

  • Many

  • One

  • Three


32.

Gametes formation in animals is found in

  • ovaries

  • gonads

  • gall bladder

  • testes


33.

Hydra is

  • herbivorous

  • more developed

  • carnivorous

  • omnivorous


34.

In rabbit, head of epididymis present at the head of the testis is called

  • vas deferens

  • cauda epididymis

  • gubernaculum

  • caput epididymis


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35.

The most primitive cell like chemical aggregates capable of growth and division were

  • chemoautotrophs

  • eobionts

  • prokaryotes

  • microspheres


36.

Assertion : In bacteria, photosynthesis occurs by utilizing wavelengths longer than 700 nm.

Reason : Here the reaction centre is B-890.

  • If both assertion and reason are true and reason is the correct explanation of assertion.

  • If both the assertion and reason are true but reason is not the correct explanation of assertion.

  • If assertion is true but reason is false.

  • If both the assertion and reason are false.


37.

In prokaryotes, genetic recombination can occur during

  • transduction

  • transformation

  • conjugation

  • all of these


38.

Which of the following organisms breeds only once in lifetime?

  • Bamboo

  • Oysters

  • Pelagic fishes

  • Birds

  • Birds


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39.

Match the following and choose the correct combination from the options given

Column I Column II
A. Yeast 1. Reproductive by true regenration
B. Planaria 2. Reproduce by budding
C. Mules 3. Multiply by fragmentation
D. Protonema 4. Do not reproduce

  • A - 1; B - 2; C - 3; D - 4

  • A - 4; B - 3; C - 1; D - 4

  • A - 4; B - 1; C - 2; D - 3

  • A - 2; B - 1; C - 4; D - 3

  • A - 2; B - 1; C - 4; D - 3


40.

Oogamous type of reproduction is seen in

(i) Fucus

(ii) Anabaena

(iii) Nostoc

(iv) Volvox

  • (i) only

  • (i) and (ii) only

  • (i) and (iii) only

  • (iii) only

  • (iii) only


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