Animal Kingdom — BIOLOGY STD 11 Science — Question

Which one of the following sets of animals belong to a single taxonomic group?

1. Cuttlefish, Jellyfish, Silverfish, Dogfish, Starfish.
2. Bat, Pigeon, Butterfly.
3. Monkey, Chimpanzee, Man.
4. Silkworm, Tapeworm, Earthworm.

Which products formed during the light reactidn of photosynthesis are used to drive the dark reaction?

Bring out the drawbacks of the artificial systems of classification.

Write any four characteristics or qualities of muscular tissue.

(i) Draw an illustrated diagram depicting the relationship between the pituitary gland and the hypothalamus.
(ii) How many parts is the adrenal gland cortex divided into? Name them. Which hormone regulates the secretion of this part?

State the role of centrioles in cell division.

Six turns of Calvin cycle are required to generate one mole of glucose. Explain.

How does progesterone function in a human female?

Write the main characteristics of meiosis.

Animals with metameric segmentation, bilateral symmetry and closed circulatory system belong to phylum:

1. Annelida.
2. Arthropoda.
3. Echinodermata.
4. Mollusca.