agriculture MCQs – Page 60

Practise multiple-choice questions from agriculture for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

agriculture Mcqs

1. soil science 2. agronomy 3. entomology 4. water management 5. horticulture 6. agricultural economics 7. plant pathology 8. food technology 9. animal husbandry 10. plant breeding and genetics

1181. Which one of the following does not contain both DNA and RNA__________________?
0

A. Bacterium

B. Fungus

C. Virus

D. Algae

1182. In Incern, resistance to spotted aphid is associated with__________________?
0

A. High DIMBOA in leaves

B. High silicant content

C. low sinigen in leaves

D. High saponin in leaves

1183. In a population gene frequencies remain constant when there is_________________?
0

A. Iubreeding

B. Selective mating

C. Out breeding

D. Random mating

1184. Specific combining ability is primarily a function of___________________?
0

A. All the above

B. Dominance x dominance epistasis

C. Dominance variance

D. Additive x dominance epistasis

1185. Concept of disruptive selection was first developed by__________________?
0

A. Thoday (1960)

B. Mather (9153)

C. Grafius (1965)

D. Falconer (1960)

1186. In cotton, jassids have non preference for______________________?
0

A. Fregobract

B. Okra leaves

C. Smoothness leaves

D. Hairiness of leaves

1187. Who gave the principle that man tends to multiply faster than food supply________________?
0

A. Haldane

B. Darwin

C. Mendel

D. Mathis

1188. Stadler, first used X-rays for induction of mutation in_________________?
0

A. Barley

B. Wheat

C. Maize

D. Oat

1189. Which are the necessary conditions for the hardy Weinberg principle for applying to genetic population________________?
0

A. High mutation ratio and small population

B. No migration and large population

C. Selective mating and small population

D. Low mutation population

1190. Concept of biparental mating was developed by__________________?
0

A. Jinks and Jones (1958)

B. Hayman (1958)

C. Comstock and Robinson (1948)

D. Perkins (1968)

1191. Reciprocal recurrent selection was proposed by___________________?
0

A. Allard (1955)

B. Hays and limner (1950)

C. Hull (1935)

D. Constock et al (1949)

1192. The spread of genes from one breeding population to another by migration which may result in changes in gene frequency is called__________________?
0

A. Gene frequency

B. Gene flow

C. None of the above

D. Genetic drift

1193. Mendel studied contrasting characters for his breeding cxperiments with peas which of the following character he did not study_______________?
0

A. Pod color

B. Pod shape

C. Plant height

D. Leaf shape

1194. Seeds which dried at low moisture content and stored at low temperature without losing their viability are__________________?
0

A. Active seeds

B. Orthodox seeds

C. Recalcitrant seeds

D. Certified seeds

1195. Ieucaena lencocephala is a popular tree for______________________?
0

A. Seasonal fruit

B. Beautification

C. Nutritive forage

D. Medicinal plant

1196. A heterogeneous population include_______________?
0

A. Synthetic

B. Composites

C. Multi lines

D. All the above

1197. germplasm which is meant for short term storage (3 to 5 years) is known as___________________?
0

A. Exotic collection

B. Working collection

C. Indigenous collection

D. None of the above

1198. Mendel was lucky to use pea plants for genetical experiments because__________________?
0

A. They showed one type of flowers

B. The seven characters he studied were on different chromosomes

C. they belong to the family leguminous

D. They have round seeds with lot of proteins

1199. Convergent improvement was proposed by________________?
0

A. East (1920)

B. Jones (1920)

C. Hays (1919)

D. Richy (1920)

1200. In line x tester cross each male is crossed with____________________?
0

A. Different sets of females

B. Same sets of females

C. All the above

D. Few females in a set

Previous Next

Showing 1181 to 1200 of 5608 mcqs