BIO Multiple Choice Question MCQ
Categories: BIO Multiple Choice Question
1.An eardrum is absent in ____: [A] Snakes [B] Toads [C] Turtles [D] Tuatara Correct Answer: A [Snakes] 2.If a healthy freshwater fish is placed in salt water, what will be the expected consequence? [A] The fish becomes dehydrated and dies [B] The fish becomes bloated and dies [C] The fish suffers from fungal or bacterial disease and dies [D] There is no observable effect on the fish provided there is sufficient food Correct Answer: A [The fish becomes dehydrated and dies] 3.Entomology is the study of ____: [A] Insects [B] Birds [C] Fossils [D] Fungi Correct Answer: A [Insects] 4.The optimum dissolved oxygen level (in mg/litre) required for survival of aquatic organisms is ____: [A] 2 – 4 [B] 4 – 6 [C] 8 – 10 [D] 12 – 16 Correct Answer: B [4 – 6] 5.The narrowest and most numerous tubes of lungs are termed as ____: [A] Bronchus [B] Hilum [C] Bronchioles [D] Alveoli Correct Answer: C [Bronchioles] 6.Lungs of a plant are ____: [A] Roots [B] Flowers [C] Stems [D] Leaves Correct Answer: D [Leaves] 7.Which of the following gets activated upon illumination and generates electrical signal? [A] Optic nerve [B] Ciliary muscles [C] Vitreous humour [D] Light sensitive cell Correct Answer: D [Light sensitive cell] 8.The normal cholesterol level in human blood is _____: [A] 80-120 mg% [B] 120-140 mg% [C] 140-180 mg% [D] 180-200 mg% Correct Answer: D [180-200 mg%] 9.Sex of the baby depends on whose chromosomes? [A] Mother [B] Father [C] Grandmother [D] Both mother and father Correct Answer: B [Father] 10.The animal that do not develop hypertension in spite of heavy intake of salt is _____: [A] Sheep [B] Camel [C] Buffalo [D] Tiger Correct Answer: B [Camel]