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1 of 15

Which of the following methods is commonly used to measure soil moisture content in an ecological study?

Thermocouple

Soil moisture sensor

Barometer

Anemometer

2 of 15

Which of the following best describes the role of the hypothalamus in maintaining homeostasis in the human body?

It directly produces hormones that regulate blood sugar levels.

It serves as the primary control center for regulating body temperature and other homeostatic processes.

It filters blood and removes waste products from the body.

It is responsible for the production of red blood cells in the bone marrow.

3 of 15

Which part of the neuron is primarily responsible for receiving signals from other neurons?

Axon

Dendrites

Soma

Myelin sheath

4 of 15

In which part of a leguminous plant can you find bacteria like Azotobacter?

A. Spongy mesophyll of leaf

B. At the nodes

C. At the internodes

D. In nodules

5 of 15

Which of the following factors is most directly responsible for determining the carrying capacity of a population in a given habitat?

The reproductive rate of the population

The availability of resources such as food and water

The presence of predators in the ecosystem

The genetic diversity within the population

6 of 15

Which of the following nutrients is primarily responsible for providing energy to animals and is a major component of their diet?

Proteins

Carbohydrates

Vitamins

Minerals

7 of 15

Which part of the neuron is primarily responsible for receiving signals from other neurons?

Axon

Dendrite

Soma

Myelin sheath

8 of 15

Which part of the neuron is primarily responsible for receiving signals from other neurons?

Axon

Dendrite

Cell body

Synapse

9 of 15

The presence of a diastema in the jaw bone indicates that the mammal lacks the teeth suitable for

A. tearing

B. chewing

C. cutting

D. chewing and tearing

10 of 15

Which term describes the genetic makeup of an organism, specifically the alleles it possesses for a particular trait?

Phenotype

Genotype

Allele

Locus

11 of 15

Which of the following processes best describes the movement of water across a selectively permeable membrane due to a concentration gradient?

Active transport

Osmosis

Diffusion

Facilitated diffusion

12 of 15

Which hormone is primarily responsible for regulating blood glucose levels by promoting the uptake of glucose into cells?

Cortisol

Insulin

Glucagon

Adrenaline

13 of 15

Which structure in the respiratory system is primarily responsible for gas exchange between the air and the blood?

Trachea

Bronchi

Alveoli

Larynx

14 of 15

The removal of a man’s pancreas by surgical operation can affect only the digestion of

A. Starch

B. Starch, protein and fats

C. Oils and fats

D. Proteins

15 of 15

When proteins are broken down, they provide

A. oxygen

B. carbohydrate

C. energy

D. amino acids

Biology Past Questions Practice

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There are 15 questions in total

Biology Past Questions Practice

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Which of the following methods is commonly used to measure soil moisture content in an ecological study?

Which of the following best describes the role of the hypothalamus in maintaining homeostasis in the human body?

Which part of the neuron is primarily responsible for receiving signals from other neurons?

In which part of a leguminous plant can you find bacteria like Azotobacter?

Which of the following factors is most directly responsible for determining the carrying capacity of a population in a given habitat?

Which of the following nutrients is primarily responsible for providing energy to animals and is a major component of their diet?

Which part of the neuron is primarily responsible for receiving signals from other neurons?

Which part of the neuron is primarily responsible for receiving signals from other neurons?

The presence of a diastema in the jaw bone indicates that the mammal lacks the teeth suitable for

Which term describes the genetic makeup of an organism, specifically the alleles it possesses for a particular trait?

Which of the following processes best describes the movement of water across a selectively permeable membrane due to a concentration gradient?

Which hormone is primarily responsible for regulating blood glucose levels by promoting the uptake of glucose into cells?

Which structure in the respiratory system is primarily responsible for gas exchange between the air and the blood?

The removal of a man’s pancreas by surgical operation can affect only the digestion of

When proteins are broken down, they provide