2766: Match List I with List II and select the correct answer using the codes given below the lists :

List I List II

I. Fruit (A) Ovule
II. Seed (B) Leaf
III. Wood (C) Stem
IV. Starch (D) Ovary

Codes:

(a) I-B, II-A, III-C, IV-D
(b) I-D, II-A, III-C, IV-B
(c) I-B, II-C, III-A, IV-D
(d) I-D, II-C, III-A, IV-B
2767: Which one of the following diseases is least infectious ?

(a) Leprosy

(b) Tuberculosis

(c) Conjunctivitis

(d) Hepatitis
2768: Which of the following fertilisers leaves acidic residue?

(a) Ammonium phosphate

(b) Ammonium sulphate

(c) Urea

(d) Sulphate of potash
2769: The working of the quartz crystal In the watch is based on the

(a) Photoelectric Effect

(b) Johnson Effect

(c) Piezo-electric Effect

(d) Edison Effect
2770: 'RNA interference (RNAi)' technology has gained popularity in the last few years. Why?

1. It is used in developing gene silencing therapies.
2. It can be used in developing therapies for the treatment of cancer.
3. It can be used to develop hormone replacement therapies.
3. It can be used to produce crop plants that are resistant to viral pathogens.

Select the correct answer using the code given below.

(a) 1, 2 and 4

(b) 2 and 3

(c) 1 and 3

(d) 1 and 4 only