Which of the following is responsible for transport of food and other substances in plants ? (1) Xylem (2) Phloem (3) Chloroplast (4) None of these Answer : Phloem...
The function of Haemoglobin is to : (1) provide amino acids (2) carry oxygen (3) provide enzymes (4) help in excretion Answer : carry oxygen...
In a plant, the xylem tissue conducts : (1) water (2) food (3) water and food (4) None of these Answer : water...
Water in plants is trans-ported by (1) cambium (2) phloem (3) epidermis (4) xylem Answer : xylem...
If there are 999 bases in an RNA that codes for a protein with 333 amino acids, and the base at position 901 is deleted such that the length of the RNA becomes 998 bases, how many codons will be altered ? (1) 11 (2) 33 (3) 333 (4) 1 Answer : (2) 33...
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