उत्तरों सहित नर्सिंग प्रवेश परीक्षाओं के लिए जीव विज्ञान वर्कशीट

In which form do animals store glucose in the liver and muscles?

1. AStarch
2. BCellulose
3. CChitin
4. DGlycogen

Which organelle breaks down fatty acids and hydrogen peroxide?

1. ARibosome
2. BCentriole
3. CChloroplast
4. DPeroxisome

Who first used the word "cells" after looking at thin slices of cork under a microscope?

1. AGregor Mendel
2. BRobert Hooke
3. CLouis Pasteur
4. DCharles Darwin

Drugs against fungal infections often cause more side effects than drugs against bacteria. Why?

1. AFungi reproduce only by binary fission
2. BFungi are much smaller than bacteria
3. CFungi have no cell membrane for drugs to act on
4. DFungal cells are eukaryotic, like human cells

What happens to an enzyme after it has catalysed a reaction?

1. AIt changes into the substrate
2. BIt is released unchanged and can be used again
3. CIt is broken down into amino acids
4. DIt becomes part of the product and leaves with it

How are photosynthesis and aerobic respiration related?

1. ABoth release oxygen into the air
2. BBoth take place only in chloroplasts
3. CBoth happen only in animal cells, never in plant cells
4. DThe products of one are the reactants of the other

Why can standard DNA profiling not tell identical twins apart?

1. AIdentical twins have no non-coding DNA
2. BOnly one twin inherits the father's DNA
3. CTwins always share the same fingerprints on their hands
4. DIdentical twins come from one zygote and have the same DNA

A patient with type A blood is given type B red blood cells by mistake. What is the cause of the reaction that follows?

1. AAnti-A antibodies on the donor cells attack the patient's plasma
2. BThe patient's A antigens dissolve the donor's haemoglobin
3. CAnti-B antibodies in the patient's plasma attack the donor cells
4. DThe donor's B antigens destroy the patient's white blood cells