271: Which of the following are associated with diabetes mellitus, a common disease in adults ?

I. Higher sugar level in blood
II. Lower sugar level in blood
III. Lower insulin level in blood
IV. Higher insulin level in blood

Select the correct answer by using the codes given below :
Codes :

(a) II and IV
(b) I and II
(c) II and III
(d) I and III
272: In a wooden box there are 3 red and 4 black balls. If two balls are taken out Simultaneously (without looking at them), then the probability of both the balls being red is

(a) Zero

(b) 1/7

(c) 2/7

(d) 3/7
273: Who among the following was a prominent leader of the Congress Socialist Party ?

(a) M. N. Roy

(b) Ganesh Shankar Vidyarthi

(c) Pattam Thanu Pillai

(d) Acharya Narendra Dev
274: Consider the following statements:

1. Sweet orange plant is propagated by grafting technique.

2. Jasmine plant is propagated by layering technique.

Which of the statements given above is/are correct?

(a) 1 only
(b) 2 only
(c) Both 1 & 2
(d) Neither 1 nor 2
275: With what purpose is the Government of India promoting the concept of "Mega Food Parks" ?

1. To provide good infrastructure facilities for the food processing processing industry.

2. To increase the processing of perishable items and reduce wastage.

3. To provide emerging and eco-friendly food processing technologies to entrepreneurs.

Select the correct answer using the codes given below:

(a) 1 only
(b) 1 and 2 only
(c) 2 and 3 only
(d) 1, 2 and 3