The stage of mitosis at which morphology of chromosomes is most easily studied is the:
1. Prophase
2. Metaphase
3. Anaphase
4. Telophase
Consider the following events:
I. Centromere split and chromatids separate.
II. Chromatids move to opposite poles
The stage of mitosis characterized by these two events is:
1. Prophase
2. Metaphase
3. Anaphase
4. Telophase
The property of the water molecule that is most important for the maintenance of homeostasis in living organisms is:
1. High latent heat of vaporization
2. High latent heat of fusion
3. High specific heat
4. Liquid form more dense than solid form
Chitin, a complex polysachharide is found in:
1. Plant cell wall
2. The exoskeleton of arthropods and cell walls of most fungi
3. Bacterial cell wall
4. Cartilage and other connective tisuue
Given below is the structure of a monosaccharide. The homopolymer of this monosaccharide is used in:
1. Storage of carbohydrates in plants
2. Storage of carbohydrates in animals
3. Making the medium for microbial culture
4. Formation of the structure of the plant cell wall
Given below is the structure of a lipid. The excess of this compound in human blood can lead to:
1. Alzheimer’s disease
2. Phenylketonuria
3. Atherosclerosis
4. Rheumatoid arthritis
Shown below is a level of structural organization of a protein. Which of the following proteins attains its final form as this structure
1. Keratin
2. Fibroin
3. Tropo-collagen
4. Myoglobin
The following diagram depicts the structure of a:
1. Nucleoside
2. Nucleotide
3. Nitrogen containing Monosaccharide
4. Glycoprotein
What stage of the cell division is shown in the following diagram of a cell undergoing cell division?
1. Prophase I
2. Prophase II
3. Telophase I
4. Telophase II
Given below is the schematic representation of a typical cell cycle:
The duration of which of the stages shown is the diagram, according to you, is highly exaggerated with respect to other stages?
1. G1
2. G2
3. S
4. M