Question 16 to 30.
16. When organisms get rid of unwanted materials from their bodies they carryout a) urination b) Faeces c) Excretion
d) Abortion
17. The particular location of a gene on the chromosome
called
a) Gene b) Locus c
) Allele
d) Nucleus
18. Possessing a single allele in diploid organism is a) Hemizygous b) Homozygous c) Homology d) Heterozygous
19. Fertilization that takes place inside the body of female animal is called a) Internal fertilization b) External fertilization
c) Oogenesis d) Oviparity
20. An exception to Mendel's law is a) Independent assortment b) Linkage c) Dominance d) Purity of gametes
21. The upward movement of water and nutrients in plants is
primarily driven by_a) Capillary action b) Gravity c) Root pressure d) Transpiration
22. The word "cell" was first observed in 1665 by a scientist called a) Mathias Schleden b) Theodor Schwann c) Robert Hooke d) Aristotle Stragiritis
23. Resource competition which occurs when a number of organisms utilise
competition also called
common resources
that are in short supply a) Interference
b) Scramble c) Contest
d) Private
24.
is the percentage of individuals having a genotype that express the associated phenotype.
particular Codominance b) Penetrance c) Epistasis d) Expressivity
a) 25. The genotypic ratio of a monohybrid cross is
b) 3:1 c) 2:1:1 d) 9:3:3:1 26.
The assignment or placement of organisms to groups is a) Taxonomy b) Taxon c) Nomenclature d) Systematics called
a) 1:2:1
27. The alternate form of a gene is_a) Alternative b) Recessive character c) Allele d) Dominant character
28. One of the following is called stress plant hormone a) Ethylene b) Abscissic acid c) Cytokinins d) Auxins
29. The following are animals that exhibit internal fertilization
except a) Human b) Cow c) Dog d) Fish
30. Testes are located in a sac called Sperm a) Ureter b) Bladder d)Scrot