Consider the following statements.

• A. Almost all animals are either herbivores or carnivores.
• B. Human beings, rats, crows, etc. are omnivorous.
• C. Holozoic mode of nutrition is seen in Amoeba and Paramecium.
• D. Lysosome involved in the digestion of engulfed food is seen in the contractile vacuole of Amoeba.

Which of the above statements are incorrect?

• A. A, C and D
• B. A, B and D
• C. A and D
• D. B and D

To determine which statements are incorrect, let's analyze each one:

Statement Analysis

A. Almost all animals are either herbivores or carnivores.

This statement is misleading because it overlooks omnivores, which eat both plants and animals. Therefore, this statement is incorrect.

B. Human beings, rats, crows, etc. are omnivorous.

This statement is accurate. Humans, rats, and crows consume both plant and animal matter, making them omnivores.

C. Holozoic mode of nutrition is seen in Amoeba and Paramecium.

This statement is correct. Both Amoeba and Paramecium obtain nutrients through the holozoic mode of nutrition, which involves ingesting solid food.

D. Lysosome involved in the digestion of engulfed food is seen in the contractile vacuole of Amoeba.

This statement is incorrect. Lysosomes are involved in digestion, but they are not located in the contractile vacuole; rather, they are found in the cytoplasm.

Summary of Incorrect Statements

• A is incorrect.
• B is correct.
• C is correct.
• D is incorrect.

Based on this analysis, the incorrect statements are A and D. Therefore, the correct answer is C. A and D.