CSS General Knowledge Topic 1 Everyday Science With Answers

CSS General Knowledge Topic 1 Everyday Science

Sr. # Questions Answers Choice
1 The pH of human blood is between: 6.5 7.4 8.9 4.5
2 What is the meaning of virus? Fatal Poison Protein Acid
3 Which is the main source of energy for human brain? Fats Glucose Vitamins Protein
4 Hypertension is the term used for: Decrease in heart rate Decrease in blood pressure Increase in blood Pressure Increase in heart rate
5 Which one of the following is not a mammal? Shark Dolphin Seal Whale
6 The anti-malarial drug Quinine is made from a plant, The plant is- Neem Eucalyptus Cinnamon Cinchona
7 White blood cells act As a defence against infection As source of energy For clotting blood As a medium for oxygen transport from lung to tissues
8 CT scan is done by using- Infra-red rays Visible light Ultrasonic waves X-rays
9 Which of the following are required for the formation of bones and teeth? Sodium and Calcium Sodium and Potassium Iron and Calcium Calcium and Phosphorus
10 What rays of sunlight are mostly utilized by chlorophyll in photosynthesis? Red Yellow Green Blue
11 The normal cholesterol level in human blood is 180-200 mg 140-180 mg 120-140 mg 90-120 mg
12 When applied to the affected area, which one of the following will relieve the pain due to ant-bite or bee-sting? Baking Soda Caustic Soda Vinegar Lemon Juice
13 What part of the body exchange gases with air? The liver Stomach Lungs Intestines
14 What is the black part of the eye called? Pupil Pores Iris None of these
15 How many ribs does a human have? 22 24 26 28
16 How many senses are there? 4 5 6 7
17 What is the waste gas made that humans breathe out? Carbon dioxide Oxygen Carbon monoxide Nitrogen
18 What do we call the openings in the skin? Pupil Pores Pupil Sweet
19 What do we call the tubes that carry blood towards the heart? Arteries Intestines Veins None of these
20 What do we call the tubes that carry blood away from the heart? Arteries Intestines Veins None of these
21 What is the coloured part of the eye called? Pores Pupil Parts Iris
22 What do you know about Dolly? First cloned sheep First cloned monkey First test-tube baby First cloned Cow
23 Which is the smallest muscle in the body Gluteus maximus Stapedius Monocyte Lymphocyte
24 Which is the largest muscle in the body? Buttock muscle Stapedius Monocyte Lymphocyte
25 The lungs, nose, and trachea are part of which organ system? Digestive Respiratory Muscular Circulatory
26 How many cranial nerves are there in the human brain? 8 10 12 14
27 The olfactory bulb is a key component of which of these human senses? Hearing Touch Smelling Sight
28 Which of the following is not a component of the brainstem? Medulla oblongata Midbrain Forebrain Pons
29 What is the most important stimulant in tea leaves? Brucine Caffeine Phenylalanine Theine
30 What part of the cell makes proteins? Ribosomes Mitochondria Lysosomes Vacuole
31 Which of the following is found in plant cells, but not animal cells? Cell wall Vacuole Mitochondria Reticulum
32 Bacterial infections in humans can be treated with what? Antibiotics Mycology Photosynthesis Extinction
33 Animals which eat both plants and other animals are known as what? Omnivores Herbivores Carnivores None of these
34 Most highly intelligent mammals (excepts man) are: Whales Dolphins Elephants Kangaroos
35 The longest bone in body of human being is: Tibia Femur Fibula Stapes
36 An animal that consumers only meat or other animals, is called a what? Omnivore Herbivore Carnivore Consumavore
37 A group of cells that work together to perform a function is called what? Cell system Organ system Organ Tissue
38 Red Blood Cells (RBC) are also known as: Erythrocytes Thrombocytes Leucocytes None of these
39 White Blood Cells are also known as: Leucocytes Thrombocytes Erythrocytes None of these
40 What is the smallest unit of life? Cell Atom Virus A & B
41 How many bones are there in the adult human body? 206 306 250 260
42 The smallest of all human cells are: Nerve cells WBCs Epithelial cells RBCs
43 What is Celluloses? Fats Carbohydrates Vitamins Protein
44 Which of the following the plant eat insects? Urn plant Pitcher plant Cacti Ribbon plant
45 Nuclear membrane is absent in: Prokaryotes Eukaryotes Protozoan All of them
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