(b) have increased number of red blood cells in their body
(c) have too much acid in their blood
(d) are given vitamin B complex to regain the loss of body weight
Ans: (c)
326. Which of the following is correct for tea?
(a) Acidic and caffeine
(b) Alkaline and caffeine
(c) Acidic and nicotine
(d) Alkaline and nicotine
Ans: (b)
327. Tetracycline is used: [UP PCS 1994]
(a) for air purification
(b) as a pest killer
(c) as anti-plague drug
(d) as a preservative
Ans: (c)
328. The practice of transplantation is used in cultivation of which of following crops?
1. Jowar
2. Rice
3. Tomatoes
4. Chillies
(a) 1 and 2
(b) 2 and 3
(c) 1, 2 and 3
(d) 2, 3 and 4
Ans: (d)
329. Which of the following are characteristics of high yielding varieties of crops?
1) High yield
2) Dwarfness
3) Require less frequent weeding
4) More prone to diseases
(a) 1, 2 and 3
(b) 1, 3 and 4
(c) 1, 2 and 4
(d) 1, 2, 3 and 4
Ans: (c)
330. Which of the following is adapted to grow in dry places? [CDS 1990]
(a) Hydrophytes
(b) Heliophytes
(c) Xerophytes
(d) Sciophytes
Ans: (c)
331. Plant identical to mother plant" can be had from:
(a) seeds
(b) stem cutting
(c) Both of these
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