उत्तरों सहित नर्सिंग प्रवेश परीक्षाओं के लिए जीव विज्ञान वर्कशीट

किसी जीव का जीनोटाइप Bb है। उसे कैसे वर्णित किया जाता है?

1. Aप्रभावी समयुग्मजी
2. Bविषमयुग्मजी
3. Cअगुणित
4. Dअप्रभावी समयुग्मजी

What is a tissue?

1. AA structure inside a cell
2. BA group of similar cells that work together
3. CA single cell that has one special job in the body
4. DSeveral organs that work together

In which stage of the cell cycle does a cell spend most of its time?

1. AAnaphase
2. BProphase
3. CInterphase
4. DMetaphase

A student switches a light microscope from low power to high power. What happens to the field of view?

1. AIt gets smaller and usually darker
2. BIt stays the same size but gets brighter
3. CIt gets larger but less detailed
4. DIt gets larger and brighter

कौन-सा अनुक्रम DNA लड़ी A-T-G-C-C-A का संपूरक है?

1. AA-T-G-C-C-A
2. BU-A-C-G-G-U
3. CT-A-C-G-G-T
4. DG-C-A-T-T-G

What is a prion?

1. AA fungal spore that infects the brain
2. BA bacterium without a cell wall that lives inside nerve cells
3. CA very small virus with a DNA genome
4. DA misfolded protein that causes normal proteins to misfold

Ignoring crossing over, how many different combinations of chromosomes can one person's gametes have because of independent assortment?

1. A46, one for each chromosome
2. B2 × 23, which is 46
3. C2²³, about 8 million
4. D23², about 529

Fleming saw a clear area with no bacteria around a Penicillium mould growing on a bacterial plate. What was the best explanation?

1. AThe bacteria had moved away to find more food
2. BThe mould used up all of the oxygen that the nearby bacteria needed
3. CThe bacteria had turned into mould cells
4. DThe mould released a substance that killed or stopped the bacteria