Online tests of biology questions

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Free Online Tests of Biology Practice Tests

If you want to join Pak Defence Forces like Army, Navy or Air Force specially in AFNS, Nursing, Medical Branch, FMA, FMT or Female Nursing in Pak Army then you must learn all the given questions below. All questions help to get right direction of biology tests and its pattern.

Free Practice of Online Tests of Biology Intermediate Level

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Biology Tests Quiz (Inter Level)

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The larva such as bipinnaria is found in Phylum:-

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Pseudopodia are present in:-

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The structure of fibrous protein comprises of polypeptide chain in the form of:-

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The skeleton of sponges in the form of variously shaped needle like structure called:-

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Shark liver oil is used in medicine as a source of vitamin A and ____:-

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Which of the following is nonliving character of virus?

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Blood provides immunity by:-

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Mesosomes are internal extensions of the:-

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Humerus form a ball and socket joint with:-

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An human endoskeleton consist of ____ bones:-

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Blood enters in kidney through a branch of aorta called:-

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____ is a part of third whorl of flower:-

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Robert Hook was the first person to see cell in:-

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Which of the following is common method of asexual reproduction in yeasts?

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The total chromosome complement of a cell is called

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Enzymes involved in protein synthesis are found in:-

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Substances cross the cell membrane more easily when they are:

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A free living flatworm with ciliated outer surface is:-

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The plant in which male and female sex organs are on same plant called:-

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The most ancient bacteria are:-

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All living and non living things are made up of simple units called;-

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The dark reaction in photosynthesis occur in:-

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Inflammation of the jointย  is known as:-

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Reindeer moss is a:-

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The pores by which the water enters the body of sponges is called:-

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See More Questions in Online Tests of Biology

1. Which of the following is the powerhouse of the cell?

A) Ribosome
B) Nucleus
C) Mitochondria
D) Golgi apparatus
Answer: C) Mitochondria

2. Which macromolecule is primarily responsible for storing genetic information?

A) Proteins
B) Lipids
C) Carbohydrates
D) Nucleic acids
Answer: D) Nucleic acids

3. In the nitrogen cycle, nitrogen-fixing bacteria convert atmospheric nitrogen (Nโ‚‚) into:

A) Ammonia
B) Nitrates
C) Nitrites
D) Proteins
Answer: A) Ammonia

4. Which organelle is involved in protein synthesis?

A) Endoplasmic reticulum
B) Ribosome
C) Lysosome
D) Vacuole
Answer: B) Ribosome

5. What is the basic unit of the nervous system?

A) Neuron
B) Axon
C) Dendrite
D) Synapse
Answer: A) Neuron

6. Which process occurs during meiosis but not mitosis?

A) Cytokinesis
B) DNA replication
C) Crossing over
D) Chromosome condensation
Answer: C) Crossing over

7. Which of the following is a function of the stomata in plants?

A) Absorbing water
B) Transporting nutrients
C) Gas exchange
D) Photosynthesis
Answer: C) Gas exchange

8. What is the main function of xylem in vascular plants?

A) Transporting sugars
B) Transporting water and minerals
C) Photosynthesis
D) Gas exchange
Answer: B) Transporting water and minerals

9. Which of the following hormones regulates blood sugar levels by lowering them?

A) Glucagon
B) Insulin
C) Adrenaline
D) Thyroxine
Answer: B) Insulin

10. In an ecosystem, which trophic level do primary consumers belong to?

A) First
B) Second
C) Third
D) Fourth
Answer: B) Second

11. Which type of RNA carries amino acids to the ribosome during translation?

A) mRNA
B) tRNA
C) rRNA
D) snRNA
Answer: B) tRNA

12. Which of the following structures in the human body is responsible for filtering blood and forming urine?

A) Liver
B) Kidney
C) Pancreas
D) Heart
Answer: B) Kidney

13. What is the primary function of hemoglobin in the blood?

A) Digesting proteins
B) Transporting oxygen
C) Fighting infections
D) Clotting blood
Answer: B) Transporting oxygen

14. Which process is responsible for the conversion of glucose into pyruvate?

A) Glycolysis
B) Krebs cycle
C) Oxidative phosphorylation
D) Fermentation
Answer: A) Glycolysis

15. What term describes the movement of water across a semipermeable membrane?

A) Diffusion
B) Osmosis
C) Active transport
D) Endocytosis
Answer: B) Osmosis

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