Q. Which one of the following cell organelles is known as suicide bags of a cell?
1) Lysosomes
2) Plastids
3) Endoplasmic reticulum
4) Mitochondria
Q. Which one of the following body parts/ organs of the human body does not have smooth muscles?
1) Ureters
2) Iris of eye
3) Bronchi of lungs
4) Biceps
Q. Which one of the following organisms is responsible for sleeping sickness?
1) Leishmania
2) Trypanosoma
3) Ascaris
4) Helicobacter
Q. Chlorophyll in photosynthetic prokaryotic bacteria is associated with -
1) plastids
2) membranous vesicles
3) nucleoids
4) chromosomes
Q. A food chain is -
1) relationship between autotrophic organisms
2) exchange of genetic material between to organisms
3) passage of food (and thus energy) from one organism to another
4) modern entrepreneur establishment providing food outlets.
Q. Three chambered heart is found in -
1) Mammals
2) Birds
3) Amphibians
4) Pisces
Q. Which one of the following is not a major cause of Wildlife Extinction?
1) Loss of natural habitat
2) To make fire in the forest
3) Illegal commercial trade of wildlife
4) Fast pace of population growth
Q. Consider the following statements about human brain -
1. The brain is responsible for regulating the heart beat.
2. It is responsible for balancing the body.
Select the correct answer using the codes given below -
1) Only 1 is correct
2) Only 2 is correct
3) 1 and 2 both are correct
4) Neither 1 nor 2 is correct
Q. Which of the following vitamins is mainly responsible for blood coagulation in human being?
1) Vitamin K
2) Vitamin E
3) Vitamin A
4) Vitamin C
Q. Use of polished rice in human diet causes following diseases -
1) Rickets
2) Anemia
3) Goitre
4) Beri-beri
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