A. Vitamin
B. Hormone
C. Fatty acid
D. Enzyme
Answer –A. Vitamin
Explanation-
102. Mechanism preventing interbreeding is called:[SSC CGL Tier-I (CBE) 2016]
A. Adaptation
B. Isolation
C. Reproduction
D. Recombination
Answer –B. Isolation
Explanation-
103. At which stage in its life cycle does the silkworm yield the fiber of commercial use: [SSC CGL 2016]
A. Larva
B. Egg
C. Pupa
D. Imago
Answer –C. Pupa
Explanation-
104. The latex of which plant is used commercially? [SSC MTS 2017]
A. Papaya plant
B. Sial kanta plant
C. Rubber plant
D. Banyan tree
Answer –C. Rubber plant
Explanation-
105.‘Insectivorous plants’ trap insects for: [SSC MTS 2017]
A. Nitrogen
B. Fats
C. Vitamins
D. Carbohydrates
Answer –A. Nitrogen
Explanation-
106. The connective tissue that connects a muscle to a bone is [SSC CGL 2016]
A. Cartilage
B. Ligament
C. Tendon
D. Interstitial fluid
Answer –C. Tendon
Explanation-
107. Which among the following elements increases the absorption of water and calcium in plants ? [SSC Section Officer (Audit) 1997]
A. Manganese
B. Boron
C. Copper
D. Molybdenum
Answer –B. Boron
Explanation-
108. Which among the following is a large spectrum Antibiotic? [SSC Section Officer (Audit) year 1997]
A. Paracetamol
B. Pencillin
C. Ampicillin
D. Chlormphenicol
Answer –C. Ampicillin
Explanation-
109. Which wood will become useless soon after exposing in the open air? [SSC Section Officer (Audit) 1997]
A. Softwood
B. Fibrous wood
C. Wet wood
D. Hardwood
Answer – C. Wet wood
Explanation-
110. Which among the following helps in circulation of blood? [SSC Section Officer 1997]
A. Erythrocytes
B. Blood platelets
C. Monocytes
D. Lymphocytes
Answer – D. Lymphocytes
Explanation-
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