6018.The use of which of the following devices has given the modern biologist a better insight into the internal structure of cells
Super Computer
Electron microscope
Spectrophotometer
Ultracentrifuge
6019.The two diseases that most often kill AIDS victims are
1.Kaposi s sarcoma
2.Lymphangioma
3.Pneumocystis carinii pneumonia
4.Systemic Lupus erythromatosus
1.Kaposi s sarcoma
2.Lymphangioma
3.Pneumocystis carinii pneumonia
4.Systemic Lupus erythromatosus
1 and 2
2 and 3
1 and 3
3 and 4
6028.The marine animal called dugong which is vulnerable to extinction is a/an
Amphibian
Bony fish
Shark
Mammal
6038.The cell that lacks a nucleus is
Flame cell
Spermatozoan
Red blood corpuscles in man
White blood corpuscles
6046.With reference to the evolution of living organisms, which one of the following sequences is correct? [
Octopus - Dolphin - Shark
Pangolin - Tortoise - Hawk
Salamander - Python - Kangaroo
Frog - Crab - Prawn
6047.With reference to the work of human kidney, consider the following statement:
1. After the waste is remove in the kidney, the clear blood is sent back through renal artery.
2. From Bowman s capsule, the filtered liquid passes through tiny tubes where much of the gluclose is reabsorbed and sent back to the blood in the renal vein. Which of the following is/are correct?
1. After the waste is remove in the kidney, the clear blood is sent back through renal artery.
2. From Bowman s capsule, the filtered liquid passes through tiny tubes where much of the gluclose is reabsorbed and sent back to the blood in the renal vein. Which of the following is/are correct?
Only 1
Only 2
Both 1 & 2
Neither 1 nor 2
6048.With reference to normal human beings consider the following statements:
1. In response to the presence of HCL, secretin is produced from the duodenum.
2. Enterogastrone is produced in the small intestine in response to the presence of fatty acids.
Which of the statements is/are correct?
1. In response to the presence of HCL, secretin is produced from the duodenum.
2. Enterogastrone is produced in the small intestine in response to the presence of fatty acids.
Which of the statements is/are correct?
Only 1
Only 2
Both 1 & 2
Neither 1 nor 2
6057.Which one of the following statement is NOT correct?
Milk contains none of the B-vitamins
Vitamin-A (retinal) deficiency leads to dry and scaly skin
One of the symptoms of scurvy is pain in the joints
Vitamin-B, (thiamine) deficiency can lead to heart failure
6058.Widespread resistance of malarial parasite to drugs like chloroquine has prompted attempts to develop a malarial vaccine to combat malaria. Why is it difficult to develop an effective malaria vaccine?
Malaria is caused by several species of Plasmodium.
Man does not develop immunity to malaria during natural infection.
Vaccines can be developed only against bacteria.
Man is only an intermediate host and not the definitive host.
6064.Which one of the following is considered as the easily digestible source of protein?
Egg albumin
Soybean
Fish flesh
Red meat
6065.Which one of the following glands produces the Growth Hormone (Somatotropin)?
Adrenal
Pancreas
Pituitary
Thyroid
6078.In the human body, Cowper’s glands form a part of which one of the following?
Digestive system
Endocrine system
Reproductive system
Nervous system