Biology MCQs

31. Haematuria is a disorder involving __
[A] Loss of haemoglobin in R.B.C.
[B] The loss of blood through the urine
[C] The increase in concentration blood urea
[D] Loss of glucose in urine

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32. The lesser omentum connects the stomach to which structure?
[A] Diaphragm
[B] Transverse colon
[C] Oesophagus
[D] Liver

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33. A test is used to determine the sex of the fetus:
[A] Amniocentesis
[B] Amyliodogenesis
[C] Amnionic
[D] Fluidic

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34. Which of the following is an example of Phenotype?
[A] Eye color
[B] Sound of your voice
[C] Hair color
[D] All of the above

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35. Which of the following are the benefits of vermicomposting?
[A] develops roots of the plants
[B] increases the fertility and water-resistance of the soil
[C] Both 1 and 2
[D] Neither 1 nor 2

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36. Which of the following initiates replication in DNA?
[A] DNA ligase
[B] Origin of replication
[C] Termination sequences
[D] Histone proteins

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37. What is Alzheimer’s disease?
[A] It affects liver
[B] It is a disorder of the brain
[C] It affects kidney
[D] It affects human immune system

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38. People with Downs syndrome invariably affected by _____:
[A] Alzheimers disease
[B] Huntingtons disease
[C] Brain haemorrhage
[D] Meningitis

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39. The hydrophilic nature of DNA is due to the presence of ____:
[A] A number of hydrogen bonds
[B] Phosphate group
[C] Thymine base
[D] Deoxyribose sugar

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40. Which of the following plant pigments absorbs in red and far red region of light?
[A] Phytochrome
[B] Cryptochrome
[C] Carotenoide
[D] Chlorophyll

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