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Let n be a positive integer such that

log₂log₂log₂log₂log₂(n) < 0 < log₂log₂log₂log₂(n).

Let l be the number of digits in the binary expansion of n. Then, the minimum and the maximum possible values of l are:

The molecules of air in the room that you are sitting in are all experiencing the force of gravity trending to bring them down. The molecules are also frequently and randomly undergoing collisions, which tend to oppose the effect of fall under gravity. The density of air is nearly uniform throughout the room because

The ion that is isoelectronic with CO is

Among the following, the π-acid ligand is

Friedel-Crafts Acylation is

Increasing the temperature increases the rate of reaction but does not increase the

Extraction of silver is achieved by initial complexation of the ore (argentite) with 'X', followed by reduction with 'Y'. X and Y, respectively are

In the organism muscle, oxygen is carried by

The chromosomal attachment of the spindle microtubule is

ELISA, the standard screening test for HIV, detects

The abnormal development of which of the following lymphoid organs results in the most severe immunodeficiency?

Which of the following classes of immunoglobulins can trigger the complement cascade?

Some animals excrete uric acid in urine (uricotelic) as it requires very little water. This is an adaptation to conserve water loss. Which animals among the following are most likely to be uricotelic?

Which of the following is true for TCA cycle in eukaryotes?

In Dengue virus infection, patients often develop haemorrhagic fever due to internal bleeding. This happens due to the reduction of

In 1670, Robert Boyle conducted an experiment wherein he placed a viper (a poisonous snake) in a chamber and rapidly reduced the pressure in that chamber. Which of the following would be true?

Sometimes urea is fed to ruminants to improve their health. It works by

Athletes often experience muscle cramps. Which of the following statements is true about muscle cramps?

Restriction endonucleases are enzymes that cleave DNA molecules into smaller fragments. Which type of bond do they act on?

A person has difficulty in breathing at higher altitudes because oxygen

A protein with 100 amino acid residues has been translated based on triplet genetic code. Had the genetic code been quadruplet, the gene that codes for the protein would have been

A water molecule can be formed from a maximum of _____ hydrogen bonds.

The process of cell death involving DNA cleavage in cells is known as

Nucleolus is an organelle that is responsible for the production of

Fission yeasts are

Morphogenetic movements take place predominantly during which of the following embryonic stages?

Part of epidermis that keeps out unwanted particles is called

Which of the following statements is true for meiosis?

The effect of consumption of excess protein by normal individual would result in

Persons suffering from hypertension (high blood pressure) are advised a low-salt diet because

Vibrio cholerae causes cholera in humans. Ganga water was once used successfully to combat the infection. The possible reason could be

In a diploid organism, there are three different alleles for a particular gene. Out of these three alleles, one is recessive and the other two alleles exhibit co-dominance. How many phenotypes are possible with this set of alleles?

Four species of birds have different egg colours: [1] White with no markings, [2] Pale brown with no markings, [3] Grey-brown with dark streaks and spots, [4] Pale blue with dark blue-green spots. Based on egg colour, which species is most likely to nest in a deep tree hole?

Rice has a diploid genome with 2n = 24. If crossing-over is stopped in a rice plant and then selfed seeds are collected, will all the offspring be genetically identical to the parent plant?

Increasing the number of measurements of an experimental variable will

Watson and Crick model of DNA is