Home
Class 12
BIOLOGY
Choose a pair of statements true of Gymn...

Choose a pair of statements true of Gymnophiona
I. Skin contains minute dermal scales
II. Teeth are absent on both jaws
III. Vertebrae are numberous and amphicoelous.
IV. Fertilization is external.

A

II and III

B

II and IV

C

I and II

D

I and III

Text Solution

Verified by Experts

The correct Answer is:
d
Promotional Banner

Similar Questions

Explore conceptually related problems

Read the statements regerding echinoderms and choose th correct option (i) All are marine with organ system level of organisation (ii) Adults are bilaterally symmetrical (iii) They are dioecious (iv) Fertilization is internal an indirect development is observed (v)Triploblastic and acoelomate animals

Identify the wrong pair of statements I. Number of stamens in 5 flowers of Allium is equal to those in 5 flowers of Solanum II. The microporangia of Hibiscus and Asparagus are having 80 pollen grains each. Then the ratio of number of pollen grains produced from each stamen of these two plants in 1:1 III. The ratio of number of stamens in the flowers of Pisum and Datura is 2:1 IV. The number of carpels in a flower of Smilax is equal to carpels in cyathium inflorescence.

Identify the correct pair of statements I. Niacin containing coenzymes facilitates the oxidation of malate in the matrix of mitchondria II. Heam is the prosthetic group for the enzyme which catalyses the carboxylation of RuBP in the stroma of chloroplast, III. The electron carrier between cyt c-oxidase and cyt-c-reductase is attached to inner membrane of mitochondria. IV. Water spliting reaction in the lumen of thylakoid requires chlorine. (a) I, II (b) I, IV (c) II, III (d) III, IV

Identify the correct pair of statements (i) Alternate name of thymine is 5- methyl uracil (ii) Arachidonic acid molecule contains less number of carbons than palmitic acid (iii) Cellulose contains helices (iv) Aquaporin is a polypeptide

Each question has four choices, a,b,c and d,out of which only one is correct. Each question contains STATEMENT 1 and STATEMENT 2. if both the statements are true and statement 2 is the correct explanation of statement 1. If both the statements are true but statement 2 is not the correct explanation of statement 1. If statement is True and statement2 is false. If statement1 is false and statement2 is true. Statement 1: f: N->R ,f(x)=sinx is a one-one function. Statement 2: The period of sinx i s 2pia n d2pi is an irrational number.

Study the following statements and choose the correct option. I. Buds are present in the axil of leaflets of the compound leaf. II. Pulvinus leaf-base is present in some leguminous plants. III. In Alstonia, the petioles expand, become green and synthesize food. IV. Opposite phyllotaxy is seen in guava.