How many ovum are developed in ovary of Hydra?

• Two

• Many

• One

• Three

Gametes formation in animals is found in

• ovaries

• gonads

• gall bladder

• testes

33.

Hydra is

• herbivorous

• more developed

• carnivorous

• omnivorous

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

• vas deferens

• cauda epididymis

• gubernaculum

• caput epididymis

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

• chemoautotrophs

• eobionts

• prokaryotes

• microspheres

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.

In prokaryotes, genetic recombination can occur during

• transduction

• transformation

• conjugation

• all of these

Which of the following organisms breeds only once in lifetime?

• Bamboo

• Oysters

• Pelagic fishes

• Birds

• Birds

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

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