7th Sem 1 Science MCQs Quiz

Cuscuta is an example of:

• Autotroph

• Parasite

• Saprotroph

• Host

The plant which traps and feeds on insects is:

• Cuscuta

• China Rose

• Pitcher Plant

• Rose

Fat is completely digested in the:

• Stomach

• Mouth

• Small Intestine

• Large Intestine

An iron ball at 40°C is dropped in a mug containing water at 40°C. The heat will:

• Flow from iron ball to water

• Not flow from iron ball to water or vice versa

• Flow from water to iron ball

• Increase the temperature of both

A wooden spoon is dipped in a cup of ice cream. Its other end:

• Becomes cold by conduction

• Becomes cold by convection

• Becomes cold by radiation

• Does not become cold

Stainless steel pans are usually provided with copper bottoms because:

• Copper bottom makes the pan more durable

• Such pans appear colorful

• Copper is a better conductor of heat than stainless steel

• Copper is easier to clean than stainless steel

Water from the undigested food is absorbed mainly in the:

• Stomach

• Foodpipe

• Small Intestine

• Large Intestine

Which part of the plant takes in carbon dioxide from the air for photosynthesis?

• Root Hair

• Stomata

• Leaf Veins

• Petals

Plants take carbon dioxide from the atmosphere mainly through their:

• Roots

• Stem

• Flowers

• Leaves

In plants, water is transported through:

• Xylem

• Phloem

• Stomata

• Root Hair