List of top Biology Questions asked in KCET

Populations are said to be allopatric when ................
Four children belonging to same parents have the following blood groups A, B, AB and O. Hence the genotypes of the two parents are
With reference to the pituitary, which of the following statements is true?
Which one of the following reactions is an example of oxidative decarboxylation?
In a typical Mendelian cross which is a dihybrid cross, one parent is homozygous for both dominant traits and another parent is homozygous for both recessive traits. In the $f_2$ generation, both parental combinations and recombinations appear. The phenotypic ratio of parental combinations to recombinations is ..................
The diagram of large intestine of man is given below. Identify the parts labelled A, B, C, D, E and F.
Gastrula has a pore which is known as _________
According to Boyle's law, the product of pressure and volume is a constant. Hence,
Compare the statements A and B. Statement A : When the urine moves through the descending limb, it becomes hypertonic and as it passes through the ascending limb of Henle's loop, it becomes hypotonic. Statement B : The descending limb is permeable to sodium ions, while the ascending limb is impermeable to sodium ions.

Some of the steps involved in the production of Humulin are given below. Choose the correct sequence.

  1. Synthesis of gene (DNA) for human insulin artificially.
  2. Culturing recombinant E.coli in bioreactors.
  3. Purification of humulin.
  4. Insertion of human insulin gene into plasmid.
  5. Introduction of recombinant plasmid into E.coli.
  6. Extraction of recombinant gene product from E.coli.
Cockroaches can climb smooth or steep surfaces due to the presence of adhesive pads found on the tarsus of their legs. They are called __________
Bovine spongiform encephalopathy is a disease caused by prions in a.....
According to Darwin, evolution is_______
Sporopollenin, a chemical substance is found in________
The following diagrams A, B, C, D and E show the different types of arrangement of stamens based on the cohesion of their parts in different plants. Assign the stamens to their respective plants. Choose the correct answer.
The presence of corollary corona, sagittate anthers and dumb-bell shaped stigma are the characteristic features of_____________
In which of the following situations, is there a risk factor for children of incurring Erythroblastosis foetalis?
Some of the steps involved in the production of Humulin are given below. Choose the correct sequence. i) Synthesis of gene (DNA) for human insulin artificially. ii) Culturing recombinant E.coli in bioreactors. iii) Purification of humulin. iv) Insertion of human insulin gene into plasmid. v) Introduction of recombinant plasmid into E.coli. vi) Extraction of recombinant gene product from E.coli.
In C4 pathway, the CO2 fixation in mesophyll cells is carried out by the enzyme .........
Match the animals listed in Column I with their of nature of blood listed in Column II. Choose the answer which gives the correct combination of alphabets of the two columns
Which one of the following pairs is an example for lateral meristem?
The diagram of Labeo rohita is given below. Identify the parts labelled A, B, C, D, E, F, G.
In the absence of acrosome, the sperm __________
The greatest threat to genetic diversity in agricultural crops is
Which of the following is properly matched ?