Chapter 9: Strategies for Enhancement in Food Production

The chances of contracting bird flu from a properly cooked (above 100°C)

chicken and egg are:

a. very high

b. high

c. moderate

d. negligible

A group of animals which are related by descent and share many

similarities are referred to as:

a. breed

b. race

c. variety

d. species

Inbreeding is carried out in animal husbandry because it:

a. increases vigour

b. improves the breed

c. increases heterozygosity

d. increases homozygosity

Sonalika and Kalyan Sona are varieties of:

a. wheat

b. rice

c. millet

d. tobacco

Which one of the following is not a fungal disease?

a. Rust of wheat

b. Smut of Bajra

c. Black rot of crucifers

d. Red rot of sugarcane

In virus-infected plants, the meristematic tissues in both apical and

axillary buds are free of the virus because:

a. the dividing cells are virus-resistant

b. meristems have anti-viral compounds

c. the cell division of meristems is faster than the rate of viral

multiplication

d. Viruses cannot multiply within the meristem cell (s).

Several South Indian states raise 2-3 crops of rice annually. The

agronomic feature that makes this possible is because of

a. shorter rice plant

b. better irrigation facilities

c. early yielding rice variety

d. disease-resistant rice variety

Which one of the following combination would a sugarcane farmer look

for in the sugarcane crop?

a. Thick stem, long internodes, high sugar content and disease

resistant

b. Thick stem, high sugar content and profuse flowering

c. Thick stem, short internodes, high sugar content, disease-resistant

d. Thick stem, low sugar, content, disease-resistant

Fungicides and antibiotics are chemicals that:

a. enhance yield and disease resistance

b. kill pathogenic fungi and bacteria, respectively

c. kill all pathogenic microbes

d. kill pathogenic bacteria and fungi, respectively

Use of certain chemicals and radiation to change the base sequences of

genes of crop plants are termed:

a. recombinant DNA technology

b. transgenic mechanism

c. mutation breeding

d. gene therapy.