Biology - Online Test
Q1. The Gynoecium of flower having two or more carpel fuse together are called
Answer : Option D
Explaination / Solution:
Gynoecium is the female reproductive part of flower. It consists of single or more than two carpel( pistil). When these carpels are fused together, they are called syncarpous.
Q2. The primary sex organ of human male is
Answer : Option A
Explaination / Solution:
Testis is the primary sex organ in human male as it produce sperm or male gametes without which reproduction is not possible.
Q3. Enzymes functional inside the living cells are called
Answer : Option A
Explaination / Solution:
Enzymes functional inside the living cells are called endoenzyme or intracellular enzyme. It function only inside the cell in which it was produced.
Q4. The middle man of our body is :
Answer : Option B
Explaination / Solution:
Lymph is the extracellular fluid that contains WBC’s and plasma. Lymph flows in lymphatic system and finally drains into veins. Lymph is called as the middle man of our body.
Q5. Material used for conducting experiments on genetic traits by Mendel was
Answer : Option B
Explaination / Solution:
Mendel conduct his hybridization experiment on garden pea (Pisumsativum) using different contrasting pair of traits.
Q6. Glycolysis occurs in
Answer : Option A
Explaination / Solution:
Glycolysis" means the splitting of glucose. The first step of the process occurs in the cytoplasm of the cell and yields a small amount of energy (measured in units of ATP) and two molecules of pyruvate.
The other steps occur in the mitochondria.
It is an ongoing process as your cells have a constant need for energy
Q7. The most common fungal partners of mycorrhiza are ______ species.
Answer : Option C
Explaination / Solution:
Mycorrhiza is symbiotic association between fungus and angiosperms. The most common fungal partners of mycorrhiza are Glomus species.
Q8. The noise level that can cause permanent impairment of hearing ability of human beings :
Answer : Option D
Explaination / Solution:
Noise pollution is a kind of air pollution that may cause permanent impairmentof hearing ability of human beings.
After 150 dB (firecracker) sounds can be felt in the form of shock waves. The pressure difference they cause in the medium can actually be felt by your body. 150 decibels is usually considered enough to burst your eardrums,
Q9. The period from birth to death of an organism represents
Answer : Option D
Explaination / Solution:
The period from Birth of an individual to its natural death is called life span. Different organisms have different life span starting from one day to hundreds of years.
Q10. Which type of root is developed from parts of the plant other than radicle?
Answer : Option C
Explaination / Solution:
Roots developed from parts of the plant other than radicle are called adventitious roots.
