Question No:1

Method of producing thousands of plants through tissue culture is called

[A] Explant
[B] Totipotency
[C] Somaclone
[D] Micro-propagation



Question No:2

Following plants have been produced by tissue culture method on commercial scale

[A] Tomato
[B] Banana
[C] Apple
[D] All



Question No:3

Scientists have succeeded in culturing meristems of which of the following plants?

[A] Banana
[B] Sugarcane
[C] Potato
[D] All of them



Question No:4

Part of virus infected plant used for tissue culture, free from viruses is

[A] Flower
[B] Leaf
[C] Apical meristem
[D] All of them



Question No:5

Protoplast from two different varieties of plants, each having a desirable character, can be used by a process known as

[A] Somatic hybridization
[B] Monohybrid cross
[C] Tissue culture
[D] Embryo culture



Question No:6

Tomato and potato protoplast is fused to form

[A] Topoto
[B] Pomato
[C] Totato
[D] Tomapo



Question No:7

Find out the incorrect statement

[A] Virus free plant can be obtained by meristem culture.
[B] In micro-propagation soma clones are produced.
[C] Plant cell without cell wall is known as protoplast.
[D] Pomato (Somatic hybrid) has all the desired combinations of characteristics for its commercial utilization.



Question No:8

In tissue culture, nutrient medium should contain

[A] Carbon source, eg., Sucrose
[B] Inorganic salt, vitamin and amino acid
[C] Growth regulators like auxins and cytokinins
[D] All of the above



Question No:9

Find out total number of marine fishes from the following.
Hilsa, Sardines, Mackerel, Pomfrets, Catla, Rohu, Common carp

[A] 4
[B] 5
[C] 6
[D] 7



Question No:10

Which of the following are types of out breeding?

[A] Out-crossing
[B] Crossbreeding
[C] Inter specific hybridization
[D] All of the above



Question No:11

Match the columns. Column-I—- Column-ll
A. White revolution Increase in milk production
B. Green revolution Increase in crop production
C. Blue revolution Increase in fish production

[A] A-1, B-2, C-3
[B] A-2, B-3, C-1
[C] A-3,B-2, C-1
[D] A-1, B-3, C-2



Question No:12

Aquaculture means

[A] Production of aquatic animals
[B] Production of aquatic plant
[C] Both 1 and 2
[D] None of the above



Question No:13

Inter specific hybridization means

[A] Mating of animals within the same breed
[B] Superior male of one breed mated with superior female of another breed
[C] Male and female animals of two different related species are mated
[D] All of the above



Question No:14

Which of the statements are true?

[A] Bee wax is a by-product of honey.
[B] Honeybees are potent pollinators,
[C] Honey is a food of high nutritional value,
[D] All of the above