1. The mixture of two immiscible liquids shaken up is?
a) an emulsion
b) saturated solution
c) colloid
d) a suspension
e) none of these
2. what deteriorates drastically upon inbreeding?
a) broccoli
b) carrot
c) okara
d) brinjal
e) none of these
3. If we increase in temperature, the solubility of solid in a liquid is...
a) decreases
b) increases
c) Both a & b
d) none of the these
e) none of these
4. —– criss-cross inheritance is shown by?
a) polygamy
b) ex-influenced character
c) sex-quantitative character
d) sex-linked character
e) all of these
5. Wind pollination is also called is?
a) hydrophyly
b) zoophyly
c) Anemophilous
d) entomophyly
e) none of these
6. A hybrid is also known as?
a) often homozygous
b) heterozygous
c) homozygous
d) all of these
e) none of these
7. A alternative forms of a gene is also called?
a) genotype
b) mutation
c) gamete
d) allele
e) none of these
8. The bacteria, protozoa and other living plants and animals are called?
a) topographic factors
b) biotic factors
c) edaphic factors
d) limatic factors
e) none of these
9. What is the characteristic feature of the hydrophytes?
a) feebly developed root system
b) spongy stem
c) reduced protective tissues
d) all of these
e) none of these
10. What is the characteristic feature of the xerophytes?
a) leaves and stem with thick cuticle
b) sunken stomata
c) long taproot
d) none of these
e) all of these
11. China rose is a…
a) climber
b) herb
c) shrub
d) tree
e) none of these
12. CIMMYT is located at…
a) nigeria
b) miexico
c) england
d) spain
e) none of these
