In Klinefelter syndrome, an extra chromosome is a result of non-disjunction of X-chromosome during _____.

Plants absorb water from the

Abscisic acid functions as

From the following identify the normal haemoglobin count in adult male.

Identify the INCORRECT statement regarding Bacillus thuringiensis.

Consider there is only one double stranded DNA molecule initially along with all other requirements of PCR. If a PCR machines performs 10 cycles of reaction then how many double stranded DNA molecules would be present at the end?

Identify the WRONG statement.

Which of the following enzyme converts glucose to glucosc-6-phosphate?

Which of the following is TRUE with respect to anemophilous flowers?

Which salivary gland is present below the lower jaw?

In order to cary.out excretion, the liver of birds synthesize

Which is the duct that carries sperms from testes and opens into the epididymis?

Chromosomal aberration causing no loss or gain of gene complement of the chromosome is called

What is the connective tissue covering around the nerve fascicle called?

Identily the cells which release the antibodies.

Polar bears underg0 _________ during winters.

__________  is an association of individuals of different species living in the same habitat and having functional interactions.

How many million species are been documented as per IUCN data (2004) ?

Diploid larvae which get royal jelly as food develops into ______ and other develops into workers (sterile females).

Identify the cell organelle that serves as a site of protein synthesis.

Among the following statements regarding gibberellins all are true, except

Which of the following is the main site of erythropoiesis in adults?

During tertiary treatment, the bacterial flocs sediment in the sedimentation tank, this sediment is called

Identify the techniques that can be used to transfer foreign DNA directly into the cell or protoplast without the use of plasmids.

Alcoholic fermentation is a type of anaerobic respiration where the pyruvate is ______.

Identify which three of the following terminologies is true for human dentition.

JGA responds to fluctuation in

How many lobes are generally present in each mammary gland?

The highest evolved amongst the following is

Which of the following is NOT a part of forebrain?

The disease that is generally treated by the use of benzyl  penicillin, ampicillin and chloramphenicol is

Type of interspecific interaction wherein one organism is benefited and other is harmed is called

Where does secondary succession generally occur?

Identify the biodiversity hotspot(s)?

What would be the progeny obtained if a haemophilic male marries a female with normal blood clotting?

Which of the following is the function of promoter in lactose operon of Escherichia coli ?

Epiphytic plants like _______ absorb water vapours from air with the help of epiphytic roots having special tissue called valamen.

Which of the following is controlled by Hering- Breuer reflex?

Match the Column I (Antibiotic) with Column II (Microbial Sourccs) and sclect the correct option.

Huntington’s chorea, alkaptonuria, Sickle cell anaemia, Down syndrome, thalassemia, Tay-sachs discase, Turner syndrome, cystic fibrosis, haemophilia, Klinefelter syndrome, albinism

The pocket into which a substrate binds to an enzyme is called as

Match the Column I (ETS Complex) to Column II (Characteristic) and select the correct option.

In angiosperms, for formation of which of the following triple fusion is necessary?

After excretion of urea through the kidneys, the blood will normally contain ____ of urea.

In the absence of fertilization, corpus luteum

The modern synthetic theory of cvolution does NOT include

What is the function of the red mucleus?

Which of the following is TRUE for individuals having ‘A’ blood group?

Every organism occupies a particular place and has a functional role in an ecosystem known as

Which of the following trends is observed in species diversity with respect to latitude?

The genes present on non-homologous part of Y-chromosome are called

Which of the following is the technique developcd to identify a person wilh the help of DNA restriction analysis?

_______ is thc maximum amount of air that the lungs can hold after a maximum forceful inspiration.

Study the following statements regarding tertiary treatment of sewage and choose the correct option.

From which of the following organisms the enzyme Taq polymerase used in PCR technique is obtained?

Study the following statements and select correct option.

In glycolysis, ___ ATP molecules are formed directly.

From which of the following a true fruit is developed?

If fats are not digested properly in humans it may be an indication of

Decrease in the blood supply to the afferent arteriole stimulates the secretion of

Identify the correct sequence of layers that cover the testis (outside to inside).

All of the following statements are true for Alzheimer’s disease, EXCEPT

Identify the correct set of pathogen and vector for transmission of malaria.

Calculate the the birth rate of cattle per year in a dairy farm; where there were a total of 45 cattles previously 5 new offsprings were added due to reproduction taking the total population to 50.

Which of the following statement/s are INCORRECT with respect to crossing over?

i. Crossing over produces recombinations of genes by interchanging and exchanging corresponding segments between non-sister chromatids of homologous chromosomes.

ii. Crossing ovcr occurs during zygotene of prophase I of meiosis.

Theterm ‘respiration’ includes

By application of _________  yield of paddy field can be increased.

Prosthetic groups differ from co-enzymes in that-

 From the following which’ reaction is decarboxylation reaction only?

Which of the following methods of asexual reproduction are observed in lower organisms?

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

Which is the correct order of steps occurring during spermatogenesis?

Which hormone is secreted by the pineal gland?

Read the following statements and choose the correct option.

i. Symptoms of malaria begin to appear 7 to 15 days after the bite of an infective mosquito.

ii. Initial symptoms of malaria are fever, headacheand chills.

Assertion (A): DNA replication is said to be semi-conservative.

Reason (R): After DNA replication, each daughter molecule has one old and one new strand,

Bronchi are supported by

Which of the following is present in a vaccine?

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

Which of the following is formed by a microspore mother cell?

After cleavage zygote fîrst forms

In the given diagram of the human brain identify the labels (i-iii).

Complete the analogy with respect to causative agents of diseases.

Through which of the following gaseous exchange in woody flowering plants occurs?

Read the following statements and select the correct option.

Select the correct sequence of oogenesis.

Which of the following are hormones stored and released from neurohypophysis?

Which type of immunity is gencratcd by T-lymphocytes?

Which of the following respiratory organ is used by aquatic arthropods for respiration?

All are functions of vasopressin, EXCEPT