AIIMS Zoology Questions

Assertion : Soframycin is applied to diseased skin surface and wounds.

Reason : Soframycin is an antibiotic.

Which of the following are homosporous

Match the following:

Assertion : Heterospory and retention of female gametophyte are responsible for origin of seed habit in Selaginella

Reason: Psilotum is a living fossil

Plasmid of which bacterium was first time used in recombinant DNA technology?

Free swimming, radially symmetrical animals with cnidocytes belong to

Which cannot be used for direct gene transfer

Assertion: Isolated protoplasts are used for somatic hybridisation Reason: Callus culture does not allow variation

Choose the correct option

Neurotransmitter released by

Choose the correct difference from the following

Choose the correct

Characteristics of female cockroach

Identify the given diagram of tissue performing secretion and absorption

Choose the correct statement

Choose the correct one

What is the function of Bowman's capsule and Glomerulus

Which of the following options have features corresponding to the given animals

Hardy Weinberg equilibrium is affected by-

Assertion : Escherichia coli, Shigella sp. and Salmonella sp. are all responsible for diarrhoeal diseases.

Reason : Dehydration is common to all types of diarrhoeal diseases and adequate supply of fluids and electrolytes should be ensured.

Assertion: Species are groups of potentially interbreeding natural populations which are isolated from other such groups.

Reason: Distinctive morphological characters are displayed due to reproductive isolation.

Assertion: 2.5µm or less than 2.5µm size of SPM is harmful for health.

Reason: Large particles are filtered by nasal cavity & throat

Mark the correct statement

Choose the correct statement for Periplaneta americana

Assertion: There is hyperglycemia in DM type II.

Reason: Insulin injections are essential for treatment.

Animal of which phylum have hooks and suckers and are endoparasite on other animals

Acoelomate animals with flame cells are:

Assertion: Cannabinoids are drugs of abuse.

Reason: They affect cardiovascular system and Central nervous system activity.

Assertion: Iodine deficiency may lead to irregular menstrual cycle

Reason: Estrogen and progesterone level becomes low

Assertion: Deficiency of an element may lead to scurvy.

Reason: Daily requirement of ascorbic acid is 5 mg/day

Assertion : Parturition is induced by neural signal in maternal pituitary.

Reason : At the end of the gestation period, the maternal pituitary releases prolactin which cause uterine contractions.

Assertion: Opioids are used as drugs of abuse Reason: These slow down metabolism and produce hallucinations

Assertion: Amount of cyanocobalamine required daily is 3 mcg Reason: Its deficiency causes pernicious anaemia

Assertion: Cockroach shows sexual dimorphisms. Reason: The female cockroach bears a pair of short thread like anal styles.

Assertion : IUT is the transfer of embryo with more than 8 blastomeres into the fallopian tubes.

Reason : This is a very popular method of forming embryos in vivo.

Assertion: In MOET, hormones with progesterone like activity are given to the cow to induce superovulation.

Reason: After mating, the embryos at 4-6 celled stages are recovered and transferred to surrogate mothers.

Match the following columns.

Ploidy level of Nucellus, endosperm, polar nuclei, Megaspore mother cell, female gametophyte respectively are

What was the reason for mass extinction during the Mesozoic era?

Which hormone helps in detection of pregnancy?

Which of the following has highest pH?

Select the incorrect matching –

Select the option with correct matching of animal group and its examples.

Which of the following condition is true at the time just after ovulation?

Which of the following explained evolution in most acceptable form?

Select the correct matching:

The correct sequence of steps in a Polymerase Chain Reaction (PCR) cycle is:

Select the correct option for Reptilia.

Find out the correct option about Coelenterata

Which of the following are true about Mollusca?