Question No:1

In plants, the units of vegetative propagation are capable of giving rise to ne w offspring. These structures are called:

(A) Zoospores
(B) Asexual spores
(C) Vegetative propagules
(D) Rhizomes



Question No:2

Which is the incorrect statement about water hyacinth?

(A) Introduced in India for their lovely flowers and shape of leaves.
(B) It is world’s most problematic terrestrial weed.
(C) It re produce asexually through offsets
(D) Its botanical name is Eicchornia crassipes



Question No:3

Vegetative propagules of Agave

(A) Tuber
(B) Rhizome
(C) Bulbil
(D) Runner



Question No:4

Vegetative propagules of Solanum tuberosum is:

(A) Tuber
(B) Rhizome
(C) Bulbil
(D) Offset



Question No:5

Select the odd one out.

(A) Tuber
(B) Rhizome
(C) Bulbil
(D) Zoospores



Question No:6

Rhizomes are vegetative propagules of:

(A) Apple
(B) Banana
(C) Mango
(D) Grapes



Question No:7

Choose the correct statement.
(A) Asexual reproduction method is the common method of reproduction in organisms with relatively simple organization like algae and fungi.
(B) Organism with relatively simple organization like algae and fungi shifted to sexual mode of reproduction just before onset of adverse conditions.
(C) Vegetative as well as sexual mode of reproduction is exhibited by the higher plants
(D) Only sexual mode of reproduction is present in most of the animals,

(A) A and B only
(B) B and C only
(C) C and D only
(D) All A,B, C and D



Question No:8

Sexual reproduction as compared to asexual reproduction is a:
(A) Slow process
(B) Fast process
(C) Simple process
(D) Complex process

(A) A and D only
(B) A and C only
(C) B and D only
(D) B and C only



Question No:9

Plants, animals or fungi differ in all of these aspects except:

(A) External morphology
(B) Internal structure
(C) Physiology
(D) Pattern of sexual mode of reproduction



Question No:10

Which of these plants which do not show clear cut vegetative, reproductive and senescent phase?

(A) Annual plant
(B) Biennial plant
(C) Perennial plant
(D) All of these



Question No:11

Which of the following flowers only once in their lifetime?

(A) Mango
(B) Neem
(C) Bamboo
(D) All of these



Question No:12

Which of the following plant flowers once in 12 years?

(A) Mangifera indica
(B) Strobilanthus kunthiana (Neelakuranji)
(C) Helianthus annus
(D) Papver somniferum



Question No:13

Which of these statement is true about Strobilanthus kunthiana?

(A) This plant flowered during September-October 2006.
(B) Its mass flowering transformed large tracks of hilly areas in Kerala, Karnataka and Tamil Nadu into blue stretches.
(C) It flowers once in 12 years.
(D) All of the above



Question No:14

In animals, the juvenile phase is followed by – changes prior to active reproductive behaviour,

(A) Morphological changes
(B) Physiological changes
(C) Genetical changes
(D) Both (a) and (b)



Question No:15

Which of the following mammals show menstrual cycle?

(A) Monkeys
(B) Apes
(C) Humans
(D) All of these