List of top Biology Questions asked in KCET

Transfer of pollen grains from the anther to the stigma of another flower of the same plant, is called

Match the content of List I with List II:

List I		List II
1	Polyembryony	p	Black pepper
2	Perisperm	q	Banana
3	False fruit	r	Lemon
4	Parthenocarpy	s	Apple

Choose the correct option from the following:

The role of Filiform apparatus in synergids is to

The functional unit of contraction is a

Match the parts of the brain given in List I with their functions given in List II.

List I (Parts of the brain)		List II (Functions)
1	Medulla oblongata	p	Body temperature
2	Hypothalamus	q	Olfaction
3	Cerebral cortex	r	Respiration
4	Limbic system	s	Motor function

Choose the correct option from the following:

The term Uremia refers to

The water potential of pure water is

Which is the intermediate compound that links the end product of Glycolysis with TCA Cycle?

The typical 'lub-dub' sounds heard during heartbeat are produced due to

Match the pigments given in List I with their colour in chromatogram given in List II.

List I (Pigments)		List II (Colour in chromatogram)
1	Chlorophyll 'b'	p	Yellow orange
2	Carotenoids	q	Orange red
3	Chlorophyll 'a'	r	Yellow
4	Xanthophylls	s	Blue green
		t	Yellow green

Choose the correct answer from the options given below:

Auxins : Apical dominance : : Gibberellins : ________

The enzyme Recombinase is required at which stage of Meiosis I?

Ciliated epithelial cells are present in

Identify, the phylum which shows the following characteristics:
1. Animals are exclusively marine, radially symmetrical and diploblastic.
2. Body bears eight external rows of ciliated comb plates which help in locomotion.
3. Digestion is both extracellular and intracellular.
4. Reproduction only by sexual modes.

Which of the following exhibits haplodiplontic lifecycle ?

When a flower has both stamens and carpels it is described as

Which of the following statements is correct with reference to vacuoles?

Exoskeleton of Arthropods is made up of unique complex polysaccharide known as

In Structural gene, the template DNA strand has nucleotide sequences
3' ATGCATGCATGCATGC 5'.
Find the correct and complimentary nucleotide sequence on coding strand.

In tRNA the region that binds with mRNA is

Following representations P, Q and R denote few steps of Griffith Experiment. Identify the correct one(s)
P. R strain → Inject into mice → Mice die
Q. S strain (Heat killed) → Injected into mice → Mice die
R. R strain → Inject into mice → Mice live

The mRNA has Untranslated Regions (UTRs)

Read the following statements
Statement I : All vertebrates develop a row of vestigial gill slits during embryonic stage.
Statement II : Embryos always pass through the adult stages of other animals.
Which of the following options is correct with reference to these statements.?

Match List-I with List-II and choose the correct answer.

List I		List II
1	Nitrogen rich fertilizers	p	Ozone depletion
2	Carbon dioxide	q	Eutrophication
3	Carbon monoxide	r	Greenhouse effect
4	CFC’s	s	Air pollutant

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