AIIMS Zoology Questions

Assertion: Heterospory and retention of female gametophyte are responsible for origin of seed habit in Selaginella Reason: Psilotum is a living fossil

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Identify the diagram and related function

Acquired Immunity mediated by which of the following

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

Free swimming, radially symmetrical animals with cnidocytes belong to

Which cannot be used for direct gene transfer

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Neurotransmitter released by

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Characteristics of female cockroach

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What is the function of Bowman's capsule and Glomerulus

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

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.

Hardy Weinberg equilibrium is affected by-

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

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Assertion: There is hyperglycemia in DM type II. Reason: Insulin injections are essential for treatment.

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

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

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.

Schizocoelomates and enterocoelomates are

Pollination in Rafflesia is occurred by

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 –

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

Which of the following explained evolution in most acceptable form?

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

Find out the correct option about Coelenterata

Select the correct option for Reptilia.

Which of the following are true about Mollusca?

Which of the following is the relatively most accurate method for dating fossils?

Radioactive C⁻dating and living fossils are used for-

Fibroid (leiomyoma) uterus is a-