Give five points to show the significance of variation? Hint: Variations involve changes in the genetic makeup of a population or the…
The term ecosystem was coined by? (a) E.P. Odum. (b) A.G Tansley. (c) E. Haeckel. (d) E. Warming. Hint: The scientist is…
Energy flow in an ecosystem is (A) Unidirectional (B) Bidirectional (C) Multi directional (D) All of the above Hint: Energy flow refers…
Correct percentage of carbon dioxide present in the atmosphere is A. 0.03% B. 0.3% C. 1% D. 1.1% Hint: Carbon dioxide is…
A colour blind male (XcY) marries a carrier female (XCXc). Possible genotype of daughters will be______? a. XcXc only b. XCXC only c….
The first microscope was invented by (A) Leeuwenhoek (B) Hooke (C) F. Janssen and Z. Janssen (D) Schleiden Hint:-A microscope is a…
What is oogenesis? Explain with the help of a diagram. Hint: Oogenesis is the process involving the formation and maturation of an…
Number of Barr Bodies in XXXX female is A. 1 B. 2 C. 3 D. 4 Hint: Barr bodies are the inactive…
How do Mendel’s experiments show that traits are inherited independently? Hint: An individual’s traits are acquired through the process of heredity. These…
How does binary fission differ from multiple fission? Hint: They vary based on the number of divisions in the parent cell. Fission…