1. : The mixture of two immiscible liquids shaken up is?
(A) an emulsion
(B) saturated solution
(C) colloid
(D) a suspension
2. : What deteriorates drastically upon inbreeding?
(A) broccoli
(B) carrot
(C) okara
(D) 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 these
4. : —– criss-cross inheritance is shown by?
(A) polygamy
(B) ex-influenced character
(C) sex-quantitative character
(D) sex-linked character
5. : Wind pollination is also called?
(A) hydrophyly
(B) zoophyly
(C) Anemophilous
(D) entomophyly
6. : A hybrid is also known as?
(A) often homozygous
(B) heterozygous
(C) homozygous
(D) all of these
7. : An alternative form of a gene is also called?
(A) genotype
(B) mutation
(C) gamete
(D) allele
8. : The bacteria, protozoa, and other living plants and animals are called?
(A) topographic factors
(B) biotic factors
(C) edaphic factors
(D) limatic factors
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
10. : What is the characteristic feature of the xerophytes?
(A) leaves and stem with thick cuticle
(B) sunken stomata
(C) long taproot
(D) all of these
11. : China rose is a…
(A) climber
(B) herb
(C) shrub
(D) tree
12. : CIMMYT is located at…
(A) Nigeria
(B) Mexico
(C) England
(D) Spain
