Q.1. Floridean starch is found in (a) Chlorophyceae(b) Rhodophyceae (c) Phaeophyceae(d) Cyanophyceae Answer (b) Reserve food in red algae (Rhodophyceae) is floridean starch. In green algae (Chlorophyceae), reserve food is starch. In brown algae Phaeophyceae, reserve food is laminarin and mannitol. In Cyanophyceae, reserve food is cyanophycean starch. Q.2. Peat moss is another name of(a) … Read more
Q.1. What type of mechanical wave exists in air and inside water? Answer Answer: Longitudinal waves exist in both air and inside the water. Q.2. What is the phase difference between the wave y = a cos(wt + kx) and y = a sin (wt + kx)? Answer Answer: Phase difference is 90° Q.3. What … Read more
MCQ Questions for Class 10 Science Human Eye and Colourful World with Answers Question 1. The least distance of distinct vision for a normal eye is(a) infinity(b) 25 cm(c) 2.5 cm(d) 25 m Answer Answer: b Question 2. The defect of vision in which a person cannot see the distant objects clearly but can see … Read more
