GK Olympiad Class 2 - Sample question paper 05
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Q) Choose the odd one out.
(a) Eyes
(b) Ears
(c) Nose
(d) Heart
Answer: (d) Heart
Explanation: The heart is an internal organ, while the others are external sensory organs.
Q) Identify the odd one out.
(a) Liver
(b) Stomach
(c) Knee
(d) Lungs
Answer: (c) Knee
Explanation: Knee is a joint, while the others are internal organs.
Q) Our muscles interact with _______ to allow movement.
(a) Food
(b) Stomach
(c) Knee
(d) Bones
Answer: (d) Bones
Explanation: Muscles and bones work together to facilitate movement.
Q) Plants use sunlight to make their own _______ through a process called photosynthesis.
(a) Water
(b) Air
(c) Food
(d) Soil
Answer: (c) Food
Explanation: Plants produce their own food using sunlight in photosynthesis.
Q) The process of breathing involves taking in _______ and releasing carbon dioxide.
(a) Oxygen
(b) Water
(c) Nitrogen
(d) Hydrogen
Answer: (a) Oxygen
Explanation: Breathing is the exchange of oxygen and carbon dioxide in the body.
Q) Animals with a backbone are classified as _______.
(a) Insects
(b) Vertebrates
(c) Reptiles
(d) Mammals
Answer: (b) Vertebrates
Explanation: Vertebrates have a backbone or spine.
Q) Choose the odd one out.
(a) Kidney
(b) Lungs
(c) Stomach
(d) Ears
Answer: (d) Ears
Explanation: Ears are external organs, while the others are internal organs related to digestion and respiration.
Q) The _______ sends signals to the muscles to contract and relax.
(a) Heart
(b) Brain
(c) Lungs
(d) Kidneys
Answer: (b) Brain
Explanation: The brain controls muscle movements by sending signals through the nervous system.
Q) Consider the following statements and choose the correct answer.
Statement 1: Nerves transfer senses from various places of the body to the brain.
Statement 2: Brain is the main organ of the nervous system.
(a) Statement 1 is true and Statement 2 is false.
(b) Statement 1 is false and Statement 2 is true.
(c) Both statements are true.
(d) Both statements are false.
Answer: (c) Both statements are true.
Explanation: Nerves transfer sensory information to the brain, and the brain is the main organ of the nervous system.
Q) _______ and _______ work together to help us taste and enjoy food.
(a) Eyes, Ears
(b) Nose, Stomach
(c) Tongue, Nose
(d) Ears, Nose
Answer: (c) Tongue, Nose
Explanation: The tongue and nose collaborate to create the sensation of taste.
Q) The ______ pumps blood, and the _____ help filter and clean it.
(a) Lungs, Liver
(b) Heart, Kidneys
(c) Brain, Stomach
(d) Eyes, Ears
Answer: (b) Heart, Kidneys
Explanation: The heart pumps blood, and the kidneys help filter and clean it.
Q) The _______ and _______ work together to help us breathe.
(a) Stomach, Liver
(b) Nose, Lungs
(c) Brain, Eyes
(d) Tongue, Ears
Answer: (b) Nose, Lungs
Explanation: The nose inhales air, and the lungs exchange gases during the breathing process.
Q) Which of the following statements is wrong?
(a) Bones and muscles work together.
(b) Bones are covered with muscles.
(c) Body digests food to give energy.
(d) Circulatory system helps to think and remember.
Answer: (d) Circulatory system helps to think and remember.
Explanation: The circulatory system primarily functions to transport blood, not to think or remember.
Q) Which one of the following is true?
(a) An adult heart beats 70-72 times per minute.
(b) Leg is a part of the nervous system.
(c) There are 600 bones in our body.
(d) Nose has one hole only.
Answer: (a) An adult heart beats 70-72 times per minute.
Explanation: The normal resting heart rate for adults is around 70-72 beats per minute.
Q) The _______ and _______ help us see and interpret the world around us.
(a) Heart, Lungs
(b) Eyes, Brain
(c) Stomach, Liver
(d) Nose, Ears
Answer: (b) Eyes, Brain
Explanation: The eyes capture visual information, and the brain processes and interprets it.
Q) Which of the following statements is correct?
(a) Muscles move bones.
(b) Bones generate energy.
(c) The brain pumps blood.
(d) Lungs are responsible for digestion.
Answer: (a) Muscles move bones.
Explanation: Muscles work in conjunction with bones to facilitate movement.
Q) Which one of the following is incorrect?
(a) The stomach helps digest food.
(b) The skin is the body's largest organ.
(c) Kidneys filter and clean blood.
(d) Eyes aid in smelling.
Answer: (d) Eyes aid in smelling.
Explanation: Eyes are primarily responsible for vision, not the sense of smell.
Q) Consider the following statements and choose the correct answer.
Statement 1: The heart pumps blood to all parts of the body.
Statement 2: The lungs help us breathe by inhaling and exhaling air.
(a) Statement 1 is true and Statement 2 is false.
(b) Statement 1 is false and Statement 2 is true.
(c) Both statements are true.
(d) Both statements are false.
Answer: (c) Both statements are true.
Explanation: The heart pumps blood, and the lungs help in the breathing process.
Q) Consider the following statements and choose the correct answer.
Statement 1: The stomach digests the food we eat.
Statement 2: The eyes help us see by capturing light and images.
(a) Statement 1 is true and Statement 2 is false.
(b) Statement 1 is false and Statement 2 is true.
(c) Both statements are true.
(d) Both statements are false.
Answer: (c) Both statements are true.
Explanation: The stomach plays a role in digesting food, and the eyes capture light and images for sight.
Q) Consider the following statements and choose the correct answer.
Statement 1: The skin protects our body and helps in sensing touch.
Statement 2: The ears help us hear by capturing sound waves.
(a) Statement 1 is true and Statement 2 is false.
(b) Statement 1 is false and Statement 2 is true.
(c) Both statements are true.
(d) Both statements are false.
Answer: (c) Both statements are true.
Explanation: The skin protects the body and senses touch, while the ears capture sound waves for hearing.