List of top Biology Questions asked in KEAM

Match Column I with Column II and choose the correct option.

Which of the following stages of aerobic respiration takes place in the matrix of the mitochondrion? I $\quad$Oxidative decarboxylation of pyruvic acid II $\quad$Glycolysis III$\quad$ Krebs cycle IV$\quad$ Oxidative phosphorylation

Which one of the following is correct explanation for the floral formula $\quad\quad\% \Theta K_{\left(5\right)} C_{1+2+\left(2\right)}A_{\left(9\right)+1 }G_{1}$

Which of the following activates JG cells to release renin?

Select the correct sequence of steps in DNA fingerprinting involving southern blot hybridization using radiolabelled VNTR as a probe. I. $\quad$Hybridization using labelled VNTR probe. II. $\quad$Isolation of DNA. III. $\quad$Transferring (blotting) of separated DNA fragments to synthetic $\quad$$\quad$membranes, such as nitrocellulose or nylon. IV.$\quad$ Detection of hybridized DNA fragments by autoradiography. V. $\quad$Separation of DNA fragments by electrophoresis. VI. $\quad$Digestion of DNA by restriction endonucleases.

Pick out the wrong statement

Sickle cell anaemia is caused by substitution of

Select the correct statement regarding protein synthesis

One hormone is used to speed up the malting process in barley, another is used to promote flowering in pineapple, while the third helps in the delay of leaf senescence. These are respectively

The triangular sac like structure which receives blood through the vena cava in frog is

Which one of the following is a taxonomic aid for identification of plants and animals based on similarities and dissimilarities

Which one of the following is a saprophytic protist ?

Match the following columns:

The haploid content of human $DNA$ is:

The factor which does not affect the rate of alveolar diffusion is

The electrical potential difference between outside and inside of a nerve axon before excitation is known as:

Scapula is a large triangular flat bone situated in the dorsal part of the thorax between:

The inducer for switching ??n??the lac operon in bacteria is:

Saheli is:

Methyl guanosine triphosphate is associated with:

$XO$ type of sex determination is seen in:

Which is referred to as ??ungs of the Planet Earth?

Which among these is produced by distillation of fermented broth? (i) Whisky (ii) Wine (iii) Beer (iv) Rum (v) Brandy

Actin binding sites are located on:

The infoldings in mitochondria are known as: