उत्तरों सहित नर्सिंग प्रवेश परीक्षाओं के लिए जीव विज्ञान वर्कशीट

Which carbohydrate forms plant cell walls and acts as dietary fibre?

1. AGlycogen
2. BLactose
3. CCellulose
4. DGlucose

What do centrioles do in an animal cell?

1. AThey capture light for photosynthesis
2. BThey help organise the spindle during cell division
3. CThey make lipids for the cell membrane
4. DThey store the cell's digestive enzymes until they are needed

What is the main job of the nucleolus?

1. AIt makes ribosomal RNA and builds ribosome parts
2. BIt releases energy from glucose for the nucleus
3. CIt digests worn-out parts of the cell
4. DIt stores water and salts for the nucleus

What is the difference between an epidemic and a pandemic?

1. AA pandemic spreads across many countries or continents
2. BAn epidemic is caused only by bacteria
3. CAn epidemic affects the whole world at once
4. DA pandemic affects only one town

Why do red blood cells have a flattened, biconcave disc shape?

1. AIt makes them stick to vessel walls
2. BIt lets them hold a larger nucleus and more DNA
3. CIt gives a large surface area for gas exchange
4. DIt helps them divide faster

Which list puts these human energy sources in order from fastest to use to longest-lasting store?

1. AFat, then glycogen, then ATP
2. BATP, then glycogen, then fat
3. CGlycogen, then ATP, then fat
4. DATP, then fat, then glycogen

A cell is 0.00002 m wide. Which value is equal to this width?

1. A0.2 mm
2. B20 µm
3. C200 µm
4. D2 µm

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