SCIENCE AND TECHNOLOGY

Arteries and veins are connected by a network of extremely narrow tubes called:

Which among the following is necessary to carry out the blood coagulation in a cut or wound?

Plants use the energy stored in ATP to accomplish the process of transportation of:

The excretory unit of the human excretory system is known as:

Which among the following procedures is used for cleaning the blood of a person by separating the waste substance from it?

The process of diffusion of solvent particles from the region of less solute concentration to a region of high solute concentration through semi-permeable membrane is known as

Movement of the synthesized products from the leaves to the roots and other parts of a plant’s body takes place through the phloem. This process is known as:

The vein which brings clean blood from the lungs into the heart is known as:

Sometimes we get painful cramps in our leg muscles after running for a long time due to the accumulation of:

Which of the following help in protecting the inner lining of the stomach from the harmful effect of hydrochloric acid?

The enzymes contained in pancreatic juices help in the digestion of:

Raw materials required in the autotrophic mode of nutrition involves:
i. Carbon dioxide and water
ii. Chlorophyll
iii. Nitrogen
iv. Sunlight

Among the following choose the correct option which includes the organisms that have a holozoic mode of nutrition:

The enzymes pepsin and trypsin are secreted respectively by

Which of the following is not a digestive enzyme contained in the pancreatic juice?
i. Lipase
ii. Hydrochloric acid
iii. Mucus
iv. Trypsin