1. ____________ is a breed of cattle.
a. Jersey
b. Merino
c. Herdwick
d. None of the above
2. Gobar gas plants use __________ bacteria
a. Methanogenic
b. Cyanogenic
c. Oncogenic
d. Pyogenic bacteria
3. Green Revolution was led by __________
a. Dennis Rodman
b. Norman Borlaug
c. Jane Goodall
d. None of the above
4. The process of protoplast isolation was first carried out by __________
a. Henshel
b. Bergman
c. Klercker
d. None of the above
5. Cast nets are designed to catch _______
a. Fish
b. Catla
c. Salmon
d. All of the above
6. ___________ is the result of an artificial hybridization between radish and cabbage
a. Brassicaceae
b. Raphanobrassica
c. Hirschfeldia incana
d. None of the above
7. Bioenergy is obtained from __________
a. Sun
b. Coal
c. Biomass
d. Petroleum
8. Hypophysation is a technique primarily used in _________
a. Fisheries
b. Apiaries
c. Poultry
d. None of the above
9. _________ was given to cows for increasing the milk yield before being banned in
1979
a. Diethylstilbestrol
b. Estrogen
c. Progesterone
d. Destrol
10. Feedstock for biodiesel can primarily be obtained from
a. Jatropha
b. Oryza
c. Nymphaea
d. None of the above
11. __________ is an instrument that helps to achieve specific temperature and
pressure for scientific/medical and industrial applications.
a. Sterilizers
b. Autoclave
c. Electrosurgical unit
d. None of the above
12. Which of the following are classified as a benthopelagic fish?
a. Stargazer
b. Tuna
c. Great white shark
d. None of the above
13. Crossing between different breeds is called ________
a. Inbreeding
b. Consanguinity
c. Out-crossing
d. None of the above
14. ____________ is an example of an American breed of poultry
a. Leghorn
b. Sulmtaler
c. Augsburger
d. Manx Rumpy
15. Creation of Superior F1 hybrids is known as __________
a. Tylosis
b. Xerosis
c. Heterosis
d. Atherosis
Question 1Choose the correct answer out of the four available
choices given below each question. [15]
1. Combining the stem and buds of two best quality plants is
called_________. (a)Cutting (b)Grafting(c)Layering(d)Tissue
culture2. Observe the given food chain.Green plants
Grasshopper Frog EagleIn the given food chain, the
herbivore is(a)Frog(b)Grasshopper(c)Eagle (d)Green plants3. An
embryo of a seed consists of __________.(a)Radicle, Plumule,
Cotyledons(b)Radicle and Plumule(c)Radicle and
Cotyledons(d)Radicle, Plumule and Embryonal axis
1. What are the basic practices of crop production?
2. What are crops? Explain the two crops in detail.
3. Write a short note on weeding.
4. Explain how fertilizers are different from manures?
5. Give examples of two Rabi and two Kharif crops.
6. Explain modern method of sowing.
7. What is crop rotation and why is it important?
8. How are grains stored and protected?
9. Mention names of any two fertilizers.
10. Why is it necessary to sow seeds at appropriate depth?