Biology Mcqs

Which tube joins kidneys and bladder?

A. Urethra
B. Uretar
C. Inferno Verna Cava
D. Suprapubic Tube

The tubes which connect the kidney and urinary bladder are known as the ureter. Urine is formed in the kidney. From the kidney, urine is propelled into the urinary bladder through the tubes called ureters which are made of smooth muscle fibres.

There are cells in human body called Faggot cells which cause__________?

A. AIDS
B. Tuberculosis
C. Smallpox
D. Leukaemia

Human blood is a viscous fluid due to_________?A. Platelets in plasma
B. Proteins in blood
C. RBC and WBC in blood
D. Sodium in serum

 

What is called movement of cell against concentration gradient ?A. Passive Transport
B. Osmosis
C. Active Transport
D. Diffusion

Active transport, this is the only transport method that can move species against their concentration gradient (from low to high concentration). Facilitated diffusion only moves species down their concentration gradient from high to low concentration.

 

Which of the following secrete hydrochloric acid in stomach?A. Mucosa
B. Goblet
C. Epithelial
D. Oxyntic

 

Which of the following is a disease caused by deficiency of protein in children?A. Pellagra
B. Marasmus
C. Beri-Beri
D. Rickets

 

Which of the following gases readily combines with the haemoglobin of the blood?A. Carbon monoxide
B. Methene
C. Oxygen
D. Nitrogen dioxide

 

Like enzymes , co enzyme can be used ?A. only once
B. only few times
C. again and again
D. non of above

 

Haemoglobin is dissolved in the blood of:___________?A. Earthworm
B. Cockroach
C. Hydra
D. Sponges