Recent questions in Biology

Study the following combinations and identify the correct matches

asked Oct 26, 2013 by thanvigandhi_1

1 answer

Which of the following disease is caused by a fungus?

asked Oct 26, 2013 by thanvigandhi_1

1 answer

Single cell protein produced from one of the following microbes is rich in methionine :

asked Oct 26, 2013 by thanvigandhi_1

1 answer

Study the following lists

asked Oct 26, 2013 by thanvigandhi_1

1 answer

Study the following lists

asked Oct 25, 2013 by thanvigandhi_1

1 answer

From the phytohormones given below, identify the pairs which have mutually opposite influence on seed germination , stem elongation and stomatal movement respectively :

asked Oct 25, 2013 by thanvigandhi_1

1 answer

The nucleotide sequence on antisense strand of DNA which is transcribed as codon that specifies the amino acid serine is

asked Oct 25, 2013 by thanvigandhi_1

1 answer

Assertion (A) : Reduced coenzyme formed in the oxidation of isocitric acid accounts for more ATP production in electron transport than the reduced coenzyme formed in succinic acid oxidation. Reasons (R) : In the reoxidation of mitochondrial NADH, the number of protons translocated from matrix to intermembrane space is less than the protons translocated when $FADH_2$ is oxidized.

asked Oct 25, 2013 by thanvigandhi_1

1 answer

The number of ATP required in excess to assimilate atmosphere $CO_2$ to four molecules of triose phosphates in $C_4$ plants as compared to $C_3$ plants is

asked Oct 25, 2013 by thanvigandhi_1

1 answer

If 8 molecules of Ribulose 1, 5-bisphosphate molecules are oxygenated by RUBISCO, how many PGA molecules are ultimately available to PCR cycle in photosynthetic carbon oxidation cycle?

asked Oct 25, 2013 by thanvigandhi_1

1 answer

A student has taken 6000 molecules of Fructose 1, 6-bisphosphate and 2 molecules of Aldolase into an enzyme reaction mixture to determine its activity. After 5 minutes, 50% substrate was found converted into products. Then, what is the TON of Aldolase and the total number of trioses formed by the enzyme action at the end of 5 minutes?

asked Oct 25, 2013 by thanvigandhi_1

1 answer

Study the following combinations and identify the correct matches related to the role of essential mineral elements in plants :

asked Oct 25, 2013 by thanvigandhi_1

1 answer

The number of stomata and epidermal cell in $ 1 mm^2$ area of abaxial surface of the leaves of A, B , C and D plants are given below. Identify the plant having the least stomatal index :

asked Oct 25, 2013 by thanvigandhi_1

1 answer

Study the following table showing the components of water potential of three mesophyll cells - A,B and C

asked Oct 25, 2013 by thanvigandhi_1

1 answer

Study the following lists with reference to transmission of viral diseases

asked Oct 25, 2013 by thanvigandhi_1

1 answer

Which of the following pair is correct?

asked Oct 25, 2013 by thanvigandhi_1

1 answer

Study the following lists

asked Oct 25, 2013 by thanvigandhi_1

1 answer

Thermoreceptor sensillea of Cockroach are located on

asked Oct 19, 2013 by thanvigandhi_1

1 answer

Identify the set of hormones that are not antagonistic in function

asked Oct 19, 2013 by thanvigandhi_1

1 answer

One of the following shows arrhenotoky in its development

asked Oct 19, 2013 by thanvigandhi_1

1 answer

In the brain of Rabbit, Aqueduct of sylvius is located in

asked Oct 19, 2013 by thanvigandhi_1

1 answer

Match the following

asked Oct 19, 2013 by thanvigandhi_1

1 answer

Tendon like cords extending between atrioventricular valves and papillary muscles in the heart of Rabbit are

asked Oct 19, 2013 by thanvigandhi_1

1 answer

Which of the following applies to "Bohr effect"?

asked Oct 18, 2013 by thanvigandhi_1

1 answer

The hormone that increases the rate of $Ca^{++}$ absorption from the gastrointestinal tract into the blood is

asked Oct 18, 2013 by thanvigandhi_1

1 answer

Identify the correct statement with reference to 'arbor vitae' in the brain of Rabbit

asked Oct 18, 2013 by thanvigandhi_1

1 answer

Statement (S) : Carbon dioxide produced as a result of cellular respiration combines with water to form carbonic acid that increases the blood pH. Reasons (R) : $CO_2$ must be eliminated from the body to maintain homeostatis.

asked Oct 18, 2013 by thanvigandhi_1

1 answer

Match the following

asked Oct 18, 2013 by thanvigandhi_1

1 answer

Statement (S) : In Rabbit, caecum of large intestine is important for cellulose digestion. Reasons (R) : Large intestine secretes an enzyme known as cellulase to digest cellulose in rabbit.

asked Oct 18, 2013 by thanvigandhi_1

1 answer

Paedomorphosis is seen in

asked Oct 18, 2013 by thanvigandhi_1

1 answer

Corvus splendens insolens is the subspecies of crow found in

asked Oct 18, 2013 by thanvigandhi_1

1 answer

Match the following

asked Oct 18, 2013 by thanvigandhi_1

1 answer

The structures furcula, urostyle, endostyle are present respectively in

asked Oct 18, 2013 by thanvigandhi_1

1 answer

What type of practice is applied for culture of ' cat fish '?

asked Oct 18, 2013 by thanvigandhi_1

1 answer