Neo Darwinism, which emphasizes the role of the ……..in explaining how evolution works?
a) ecology
b) morphology
c) chemistry
d) genetics
The modern theory (Neo Darwinism) accepts……major causes of evolution.
a) two
b) three
c) four
d) five
Explanation: 1. Gene and chromosomal mutation, 2. Genetic recombination,
3. Natural selection, 4. Genetic drift and 5. Reproductive isolation
Which of the following mutation/s can bring about variations?
a) gene mutation
b) chromosomal mutation
c) both a and b
d) none of these
Explanation: these variations lead to evolution
Reshuffling of genes occurs during……..
a) sexual reproduction
b) binary fission
c) asexual reproduction
d) mitosis
Which of the following cause/s random assortment of genes during synapses and rearrangement of paternal and maternal chromosomes in gametes?
a) mitosis
b) meiosis
c) necrosis
d) all of these
Crossing over of the genes during ………also adds to the variations leading to the evolution.
a) mitosis
b) meiosis
c) apoptosis
d) asexual reproduction
