Sporogony of malarial parasite occurs in
liver of man
RBCs of man
salivary glands of mosquito
stomach wall of mosquito
In Pisum sativum, there are 14 chromosomes. How many types of homologous pairs can be prepared?
14
7
214
210
Pure tall plants are crossed with pure dwarf plants. In the F1 generation, all plants were tall. These tall plants of F1 generation were selfed and the ratio of tall to dwarf plants obtained was 3 : 1. This is called
dominance
inheritance
codominance
heredity
The presence of diversity at the junction of territories to two different habitats is known as
bottleneck effect
edge effect
junction effect
Pasteur effect
In Cycas, pollination takes place in
3- celled stage
4- celled stage
2- celled stage
1- celled stage
Benthic organisms are found in
surface of marine water
middle of water in sea
bottom of sea
on ground
Ozone depletion in staratosphere would result in
forest fires
global warming
skin cancer incidence
None of the above
C.
skin cancer incidence
In the atmosphere, ozone molecules (O3) protects the earth from the penetration of harmful UV radiation from the sun, thereby, protecting the life on earth.
The main reason behind its depletion is CFCs (Chloroflurocarbons). Depletion of ozone layer by 1% results in an increase in the incidence of skin cancer by 5 to 7%.