1.
Which of the following type of culture is used in some interspecific crosses, where endosperm of developing hybrid seed degenerates very early
A
Meristem culture
B
Shoot tip culture
C
Embryo culture
D
Anther culture
Answer :
Embryo culture
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
2.
Life span of worker honey bee
A
30 days
B
15 days
C
45 days
D
10 days
Answer :
45 days
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
3.
D.D.T. is
A
Carbamate
B
Organophosphate
C
Organochlorine
D
Triazine
Answer :
Organochlorine
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
4.
What is the potential use of guayule (Pathenioum argenatum
A
Source of protein rich seed
B
Source of high quality edible oil
C
Source of high quality rubber
D
Source of liquid wax
Answer :
Source of high quality rubber
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
5.
Fishes reared in culture fishery in India are
A
Salmon and Rohu
B
Salmon and Catle
C
Catla and Magur
D
Rohu and Catla
Answer :
Rohu and Catla
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
6.
Which of the following species of silkworm are found in India
A
Bombyx mori
B
Antherea paphia
C
Keira
D
All of the above
Answer :
Bombyx mori
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
7.
Natural insecticide obtained from
A
Azadiracta indica
B
Derris elliptica
C
Chrysanthemum cinerari folium
D
All of the above
Answer :
All of the above
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
8.
Haploid plants are preferred over diploids for mutation study because in haploids
A
recessive mutation expresses immediately
B
induction of mutations is easier
C
culturing is easier
D
dominant mutation expresses immediately
Answer :
recessive mutation expresses immediately
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
9.
Pules belong to
A
Malvaceae
B
Gramineae
C
Cruciferae
D
Leguminosae
Answer :
Leguminosae
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
10.
Compared to a bull a bullock is docile because of
A
higher levels of cortisone
B
lower levels of blood testosterone
C
lower levels of adrenaline/noradrenaline in its blood
D
higher levels of thyroxine
Answer :
lower levels of blood testosterone
Discuss Question
No explanation is given for this question. Let's discuss the answer together.