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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Bio-element which account for 18% in human body is:-

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Protoplasm of plant cell is:

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In which of the following life processes is ATP produced:-

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The sponges do not have symmetry and therefore they are called:-

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Which of the following determines the shape of the chromosomes?

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HCl is secreted by _____ cells in stomach:-

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Which of the following diseases of plants is caused by bacterial?

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Incomplete digestion is called:-

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The describe species number of the living organisms is:-

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Uric acid is the chief nitrogenous waste material in the excretory system of the:-

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All organisms are divided into how many kingdoms?

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Optimum pH for enterokinase enzyme is:-

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During the repair of broken bone, 3rd phase is:-

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Which of the following is resistant to degradation ?

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Vitamins are essential raw material for the synthesis of:-

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The nephron is:-

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These cells are located in bone tissues:-

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The atlas and axis vertebrae are located in:-

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The two types of cellular organelles that transform energy are:

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In most plants, food is transported in the form of:

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B-lymphocytes and T-lymphocytes are formed:-

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Which of the following is a viral disease?

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Which one is the example of Foliose lichen:-

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The fluid which surrounds the thylakoid is called:-

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The production of a new plant from underground stem is an example of:-

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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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