Question 11 MarkThe right kidney is slightly lower than the left kidney.Answer1View full question & answer→
Question 21 MarkParathormone controls metabolism of calcium and phosphorns.Answer1View full question & answer→
Question 31 MarkThe hormone thymosin is secreted by the thyroid gland.AnswerFalse. The hormone thymosin is secreted by the thymus gland.View full question & answer→
Question 41 MarkThyroid stimulating hormone is secreted by the pituitary gland.Answer1View full question & answer→
Question 51 MarkReflex actions are controlled by cerebellum.AnswerFalse. Reflex actions are controlled by spinal cord.View full question & answer→
Question 61 MarkNerve impulses are slow and long lasting whereas action of hormones is fast and short lived.AnswerFalse. Nerve impulses are fast and short lived whereas action of hormones is slow and long lasting.View full question & answer→
Question 71 MarkSpinal nerves are associated with head, thorax and abdomen.AnswerFalse. Spinal nerves are associated with arms, legs, skin and some other parts of the body.View full question & answer→
Question 81 MarkActivities like heart beat, blood circulation, breathing, sneezing, etc. are controlled by cerebellum.AnswerFalse. Activities like heart beat, blood circulation, breathing, sneezing, etc. are controlled by cerebellum.View full question & answer→
Question 91 MarkThere are 31 pairs of cranial nerves.AnswerFalse. There are 12 pairs of cranial nerves.View full question & answer→
Question 101 MarkSensory neurons conduct impulses from the brain and the spinal cord to effector organs like muscles or glands.AnswerFalse. Sensory neurons conduct impulses from the sensory organs to the brain and the spinal cord.View full question & answer→
Question 111 MarkThe lotus flower opens during night time while that of tuberose (polyanthus) opens during day time.AnswerFalse. The lotus flower opens during day time while that of tuberose (polyanthus) opens during night time.View full question & answer→
Question 121 MarkThe movement shown by venus fly trap while trapping an insect is a growth relevant movement.AnswerFalse. The movement shown by venus fly trap while trapping an insect is a growth irrelevant movement.View full question & answer→
Question 131 MarkGibberellin helps in prevention and retardation of growth, leaf wilting etc.AnswerFalse. Abscisic acid helps in prevention and retardation of growth, leaf wilting etc.View full question & answer→
Question 141 MarkA hormone auxin produced in the apical part of the shoot helps in enlargement of cells.Answer1View full question & answer→
Question 151 MarkSystematic regulation of different processes is called co-ordination.AnswerFalse. Systematic regulation of different processes is called control.View full question & answer→
Question 171 MarkIn unicellular organisms, waste materials are directly eliminated across the cell surface.Answer1View full question & answer→
Question 181 MarkTranslocation is carried out by phloem in downward direction.AnswerFalse. Translocation is carried out by phloem in both upward and downward direction.View full question & answer→
Question 191 MarkRoot pressure helps to push the water up in plants during night time.Answer1View full question & answer→
Question 201 MarkCalcium oxalate crystals present in some plants are called resins.AnswerFalse. Calcium oxalate crystals present in some plants are called raphides.View full question & answer→
Question 211 MarkThe loss of water from the plants is known as translocation.AnswerFalse. The loss of water from the plants is known as transpiration.View full question & answer→
Question 221 MarkXylem conducts food whereas phloem conducts water.AnswerFalse. Xylem conducts water whereas phloem conducts food.View full question & answer→