NYSTCE NYSTCE Biology (006) 2

Question 1

What is the difference between mitosis and meiosis?

Accepted Answer

Mitosis produces 2 diploid cells for growth; meiosis produces 4 haploid cells for reproduction

Answer

Mitosis produces gametes; meiosis produces somatic cells

Answer

Mitosis produces 4 haploid cells; meiosis produces 2 diploid cells

Answer

Both produce identical copies of the parent cell

Question 2

Which blood type is considered the universal donor for red blood cell transfusions?

Accepted Answer

Type O negative

Answer

Type A

Answer

Type B

Answer

Type AB

Question 3

In Mendelian genetics, if two heterozygous tall plants (Tt) are crossed, what percentage of offspring will be short (tt)?

Accepted Answer

25%

Answer

0%

Answer

50%

Answer

75%

Question 4

Which part of the human brain is responsible for regulating vital functions such as breathing and heart rate?

Accepted Answer

Brain stem

Answer

Cerebrum

Answer

Cerebellum

Answer

Hippocampus

Question 5

Which type of symbiotic relationship benefits one organism while the other is neither harmed nor helped?

Accepted Answer

Commensalism

Answer

Mutualism

Answer

Parasitism

Answer

Competition

Question 6

What does the term 'biodiversity' refer to in an ecological context?

Accepted Answer

The variety of life forms including species, genes, and ecosystems in a region

Answer

The number of individuals in a single species

Answer

The rate at which species evolve over time

Answer

The total biomass of an ecosystem