List of top Biology Questions asked in KCET

In the prevention of air pollution, the role of a scrubber is to remove:

According to the hypothesis proposed by environmental biologists, a relatively constant environment in tropics promotes:

Identify the incorrect match with respect to recently extinct animals and their place of extinction according to the IUCN Red List:

A strict protection of biodiversity hotspots could reduce the ongoing mass extinction by almost:

Which of the following is based on the principle of antigen-antibody interaction?

If a recombinant DNA bearing a gene for resistance to Ampicillin is transferred into E.coli cells, host cells become transformed into Ampicillin-resistant cells. What happens when these E.coli are grown on a medium containing Ampicillin?

DNA polymerase of Thermus aquaticus is:

Which of the following is not a parasitic adaptation?

Homeostasis is a condition where the organisms:

Which among the following is used to treat Emphysema?

MTPs are considered relatively safe during

An example for hormone releasing IUD is

Which of the following is abbreviated as ZIFT ?

From the following table, select the option that correctly characterizes various phases of menstrual cycle :

	Menstruation phase	Follicular phase	Luteal phase
(1)	Regeneration of endometrium	High level of progesterone	Developing corpus luteum
(2)	Matured follicle	Regression of corpus luteum	Ovulation
(3)	Menses	Developing corpus luteum	Follicle maturation
(4)	Menses	L.H. Surge	Regeneration of endometrium

Find the correct statement.
(1) Generally a gene regulates a trait, but sometimes one gene has effect on multiple traits.
(2) The trait AB-blood group of man is regulated by one dominant allele and another recessive allele. Hence it is co-dominant.

'Gene-mapping' technology was developed by

Which of the following statements is correct?

The male sex accessory ducts include,

Consider the following statements with reference to female reproductive system :
Statement 1 : The presence or absence of hymen is not a reliable indicator of virginity or sexual experience.
Statement 2 : The sex of the foetus is determined by the father not by the mother.
Choose the correct option from the following :

Which pair of the following cells in the embryo sac are destined to change their ploidy after fertilization ?

With reference to human sperm, match the List-I with List-II.

List-I		List-II
1.	Head	p.	Filled with enzyme
2.	Acrosome	q.	Contains mitochondria
3.	Middle piece	r.	Sperm motility
4.	Tail	s.	Contains haploid nucleus

Choose the correct option from the following :

Bamboo species flowers

The vibrations from the ear drum are transmitted through ear ossicles to

Atrial Natriuretic Factor (ANF) acts as a

Identify the option showing the correct labelling for p, q, r and s with reference to the conducting system of the human heart.