Which of the following is the reproducing part of ginger?

• Root

• Leaf

• Stem

• Seed

92.

Consider the following statements.

1. Plants can survive for some time even without photosynthesis.
2. Plants can survive for some time even without respiration.
3. Photosynthesis and respiration both are essential for the survival of plants
4. Photosynthesis and respiration both are simultaneous processes in plants during the daytime.

The correct statements are

• A,B and C

• A,B and D

• B, C and D

• A, C and D

A block of wood is lying at rest on a table. What can be said about the force(s) acting on it?

• There is no force acting on it

• Gravitational and frictional forces are acting on it

• There is a pair of balanced forces acting on it

• Only gravitational force is acting on it

Which type of leaf pattern, i.e., leaf venation and root type are present in bamboo?

• Parallel venation and fibrous root

• Reticulate venation and tap root

• Parallel venation and tap root

• Reticulate venation and fibrous root

Which among the following is not a single flower but a group of flowers?

• Rose

• Datura

• China rose

• Sunflower

Suppose you are a farmer living in a place having black soil. If the climate of your region is warm and you want to grow fiber-yielding plants in your fields, then which of the following would you prefer?

• Coconut

• Rayon

• Jute

• Cotton

Choose the odd one out.

• Egg

• Embryo

• Ovum

• Gamete

The function of saliva is to

• prevent the food from entering the windpipe

• convert starch into sugars

• convert carbohydrates into proteins

• convert starch into fats

Which of the following statements is correct?

• Inhaled air does not contain carbon dioxide

• Both inhaled air and exhaled air contain oxygen

• Exhaled air does not contain oxygen

• Exhaled air does not contain carbon dioxide

Scurvy is caused due to deficiency of

• vitamin D

• vitamin K

• vitamin C

• vitamin A