Which of the following organisms is unicellular?

Robert Hooke first discovered cells while observing

Which structure controls all activities of the cell?

The cytoplasm is best described as

5. The cytoplasm is best described as

6. Movement of water molecules from a region of high concentration to low concentration through a semi-permeable membrane is called

Which structure is selectively permeable?

The process by which substances move from high concentration to low concentration is

. Plasmolysis occurs when a plant cell is placed in a

10. Which of the following processes requires energy?

11. The organelle responsible for respiration is the

12. Ribosomes are mainly involved in

Chloroplast is found mainly in

The vacuole in plant cells helps mainly in

Which organelle contains chlorophyll?

Nutrition is defined as the process by which organisms

Which of the following is NOT a function of food?

A balanced diet must contain

Which food class is mainly for body building?

Lack of vitamin C causes

Photosynthesis is the process by which green plants

The raw materials needed for photosynthesis are

The green pigment in plants used during photosynthesis is

Oxygen is released during photosynthesis from

Photosynthesis mainly takes place in the

Nutrition in animals is described as

In humans, digestion of carbohydrates begins in the

Which organ is responsible for absorption of digested food?

Which enzyme digests proteins in the stomach?

Nutrition in green plants is called

An organism that feeds on dead and decaying matter is called a

Which of the following shows parasitic nutrition?

The relationship between algae and fungus in lichen is

The end product of photosynthesis

39. Which of the following is an example of autotroph?

Which food class supplies the highest amount of energy?

Which structure is present in plant cells but absent in animal cells?