List of top Biology Questions asked in KCET

The annual net primary productivity of the biosphere is approximately:

Match the type of adaptation given in List-I with their examples given in List-II. Select the option showing correct combination

List-I (Types of adaptation)		List-II (Examples)
1	Biochemical adaptation	p	Desert lizards
2	Behavioural adaptation	q	Deep sea fishes
3	Physiological adaptation	r	Opuntia
4	Morphological adaptation	s	Kangaroo rats

The sequence of communities of primary succession in water is:
(A) Phytoplanktons → Scrubs → Free floating hydrophytes → Rooted hydrophytes → Grasses → Trees.
(B) Phytoplanktons → Free floating hydrophytes → Rooted hydrophytes → Trees → Scrubs.
(C) Free floating hydrophytes → Scrubs → Phytoplanktons → Rooted hydrophytes → Grasses → Trees.
(D) Phytoplanktons → Rooted hydrophytes → Free floating hydrophytes → Reed swamps → Marsh meadows → Scrubs → Trees.

The natural reservoir of phosphorus is:

Which of these enzymes is required to cleave a plasmid?

Select the correct statement from the following:

The chemical substances produced by some microbes which can kill or retard the growth of other microbes are known as:

Match the nutrients given in List-I with the source in List-II:

List-I		List-II
1	Vitamin A	p	Bitter gourd
2	Single cell protein	q	Beans
3	Vitamin C	r	Carrots
4	Protein	s	Spirulina spp

Choose the correct option from the following :

Identify the bacterial disease among the following:

Mule is the result of:

Read the following statements:
Statement I: Morphine is obtained by acetylation of Heroin.
Statement II: Cannabinoids are known for their effect on the cardiovascular system.
Which of the following options is correct with reference to these statements?

The genome of HIV replicates in the macrophages with the help of an enzyme called:

The principle of vaccination is based on which property of the immune system?

The most ape-like ancestral primate was:

Stanley Miller simulated the conditions of pre-biotic Earth using a spark-discharge apparatus. Which organic compounds were observed by him on analyzing the end product of his experiment?

In a dihybrid cross between a true breeding round yellow seeded and true breeding wrinkled green seeded pea plant, the ratio of segregation of round and wrinkled seed traits in F2 is:

Find the incorrect statement among the following: n(A) In sex-linked recessive traits, the gene is transmitted from an unaffected carrier female to some of the male progeny. n(B) Accumulation of phenylpyruvic acid in the brain results in mental retardation. n(C) Individuals affected by Down’s Syndrome will have congenital heart defects and are more intelligent. n(D) Turner’s Syndrome is caused due to the absence of one X chromosome.

The genotype ratio of incomplete dominance is:

Test cross in pea plant is:

The process in which a small part of the vas deferens is removed or tied up through a small incision, is called:

The Government of India legalized MTP with some strict regulations in the year:

If two primary spermatocytes and two primary oocytes undergo meiosis simultaneously, what will be the ratio of spermatozoa and ova produced at the end of gametogenesis?

In human females, the endometrium of the uterus consists of:

Which of the following hormones is not secreted by human placenta?

Match the content of List I with List II: