41. Which of the following plant is an insect eating plant ?
(A) Pitcher plant
(B) Cotton plant
(C) Bamboo plant
(D) Hibiscus plant
Answer:
(A) Pitcher plant
Explanation:
The pitcher plant is a unique carnivorous plant. It features specialized, cup-shaped leaves filled with digestive enzymes used to trap and consume insects for nutrients.
42. Tick the correct sequence for digestive system.
(A) Mouth -> Food pipe -> Stomach -> Small intestine -> Large Intestine -> Rectum -> Anus
(B) Mouth -> Food pipe -> Stomach -> Small intestine -> Large Intestine -> Anus -> Rectum
(C) Mouth -> Food pipe -> Stomach -> Large intestine -> Small intestine -> Rectum -> Anus
(D) Mouth -> Food pipe -> Stomach -> Large intestine -> Small intestine -> Anus -> Rectum
Answer:
(A) Mouth -> Food pipe -> Stomach -> Small intestine -> Large Intestine -> Rectum -> Anus
Explanation:
Digestion logically follows this anatomical tract: Food enters the mouth, passes through the esophagus (food pipe) to the stomach, is broken down in the small intestine, moves to the large intestine for water absorption, collects in the rectum, and exits the body via the anus.
43. Global warming is caused by the excess of which type of gas?
(A) Nitrogen
(B) Oxygen
(C) Hydrogen
(D) Carbon dioxide
Answer:
(D) Carbon dioxide
Explanation:
Carbon Dioxide is the primary greenhouse gas emitted through human activities. An excess of traps solar heat radiating from the Earth’s surface, triggering an unnatural rise in global temperatures.
44. Which of the following seeds dispersed by wind?
(A) Coconut
(B) Bean
(C) Guava
(D) Cotton
Answer:
(D) Cotton]
Explanation:
Cotton seeds are specifically adapted for wind dispersal.
45. Only ______ of water on the earth is fresh water.
(A) 2%
(B) 3%
(C) 1%
(D) 10%
Answer:
(B) 3%
Explanation:
Despite Earth being a “blue planet,” an estimated 97% of its water is found in the oceans as saltwater. Only a tiny fraction, about 3%, exists as freshwater in glaciers, groundwater, and lakes.
