List of top Biology Questions asked in KCET

The deficiency of which of these elements interrupts photolysis of water during photosynthesis?

Biolistics method is suitable for gene transfer into_________

Which of the following features of plants is not helpful in adapting to desert life?

In the following equation of Verhulst - Pearl logistic growth, the letter '$r$' denotes________ $\frac{dN}{dt} =rN(\frac{K-N}{K})$

Which one of the following is not included under in-situ conservation?

Ruminant animals can digest cellulose in their food, where as human beings are unable to do so. This is because

Cells in the quiescent stage $(G_0)$

A person shows symptoms like Sneezing, Watery eyes, running nose and difficulty in breathing, on exposure to certain substances in air. Which type of antibody is produced during such condition?

According to Human Genome Project (HGP), the total number of genes in human genome is estimated at 30,000 the number of genes present on Y-chromosome are

Consider the following statements i, ii and iii regarding criteria for essentiality of the nutrients in plants: i. The presence of elements is must for plants to complete their life cycle. ii. The role of the element can be replaced by another element. iii. The element must be directly involved in the metabolism of the plant. Choose the correct statement/s :

Identify the asexual reproductive structure ?M? in the following diagram:

In blind spot of the human eye

Identify the cells represent as P, Q, R and S in the given schematic representation of spermatogenesis.

Choose the correct statement from the following:

A man was suffering from mental illness like depression and insomnia. Identify the drug which is normally used as medicine in such cases.

Which of the following protozoan parasites causes sleeping sickness?

The nourishing cells in the Seminiferous tubules are

Testa and Tegmen of the seed coat represent

Of the total incident solar radiation the percentage Photosynthetically Active Radiation (PAR) captured by the plants

Identify the correct order of steps involved in Artificial hybridization in plants.

In Bougainvillea and Cucurbita, the axillary bud is modified into thorn and tendril respectively. This is an example of

The historic convention related to conservation of biological diversity is also known as

The brain capacity of Homo habilis

Find the nucleotide sequence of the mRNA which codes for the sequence of amino acids - ?Met - Leu - Val - Arg - Ala? and choose the correct option from below :