Which part of the plant helps in reproduction?
(A) Leaf
(B) Flower
(C) Stem
(D) Root
Answer: (B)

Which blood component fights infection?
(A) Platelets
(B) Plasma
(C) Red blood cells
(D) White blood cells
Answer: (D)

Which part of the cell is responsible for detoxification?
(A) Smooth endoplasmic reticulum
(B) Nucleus
(C) Mitochondria
(D) Ribosomes
Answer: (A)

Which one of the following is a communicable disease?
(A) Cancer
(B) Diabetes
(C) Tuberculosis
(D) Hypertension
Answer: (C)

The pigment responsible for eye color is –
(A) Melanin
(B) Hemoglobin
(C) Chlorophyll
(D) Carotene
Answer: (A)

Which organ controls body coordination?
(A) Heart
(B) Brain
(C) Liver
(D) Kidney
Answer: (B)

Which type of tissue is blood?
(A) Muscular
(B) Epithelial
(C) Connective
(D) Nervous
Answer: (C)

Which part of the eye regulates the amount of light entering it?
(A) Retina
(B) Iris
(C) Cornea
(D) Lens
Answer: (B)

Which process helps in absorption of nutrients in the intestine?
(A) Diffusion
(B) Active transport
(C) Assimilation
(D) Osmosis
Answer: (B)

Which type of blood vessel carries blood to the heart?
(A) Artery
(B) Vein
(C) Capillary
(D) Venule
Answer: (B)

Which is the most abundant element in the human body?
(A) Iron
(B) Calcium
(C) Oxygen
(D) Hydrogen
Answer: (C)

Which structure in a cell makes proteins?
(A) Nucleus
(B) Ribosome
(C) Golgi apparatus
(D) Mitochondria
Answer: (B)

Which of the following organs excretes sweat?
(A) Liver
(B) Lungs
(C) Skin
(D) Kidney
Answer: (C)

Which system controls voluntary actions in the body?
(A) Circulatory
(B) Respiratory
(C) Nervous
(D) Digestive
Answer: (C)

Which of these diseases is caused by bacteria?
(A) AIDS
(B) Malaria
(C) Tuberculosis
(D) Ringworm
Answer: (C)

Which part of the respiratory system is the voice box?
(A) Pharynx
(B) Larynx
(C) Trachea
(D) Bronchi
Answer: (B)

Which mineral helps prevent goitre?
(A) Calcium
(B) Iron
(C) Iodine
(D) Phosphorus
Answer: (C)

The largest part of the human brain is –
(A) Cerebrum
(B) Cerebellum
(C) Medulla
(D) Hypothalamus
Answer: (A)

Which part of the brain connects it to the spinal cord?
(A) Cerebrum
(B) Pons
(C) Medulla
(D) Thalamus
Answer: (C)

Which is not a function of the liver?
(A) Storage of glycogen
(B) Production of bile
(C) Detoxification
(D) Production of insulin
Answer: (D)

Which hormone is produced by the testes?
(A) Estrogen
(B) Testosterone
(C) Progesterone
(D) Oxytocin
Answer: (B)

Which organ helps in maintaining body balance during walking?
(A) Cerebrum
(B) Cerebellum
(C) Medulla
(D) Spinal cord
Answer: (B)

The main site of digestion is –
(A) Mouth
(B) Stomach
(C) Small intestine
(D) Large intestine
Answer: (C)

Which part of the cell is responsible for packaging and transport?
(A) Ribosome
(B) Golgi apparatus
(C) Endoplasmic reticulum
(D) Mitochondria
Answer: (B)

Which type of immunity is acquired through vaccination?
(A) Natural
(B) Passive
(C) Active artificial
(D) Congenital
Answer: (C)

Which is not a function of blood?
(A) Transportation
(B) Protection
(C) Digestion
(D) Regulation
Answer: (C)

What causes the red color of blood?
(A) Oxygen
(B) Hemoglobin
(C) Plasma
(D) Enzymes
Answer: (B)

Which vitamin is essential for the synthesis of proteins for clotting?
(A) Vitamin A
(B) Vitamin D
(C) Vitamin E
(D) Vitamin K
Answer: (D)

The flap that covers the windpipe while swallowing is –
(A) Uvula
(B) Epiglottis
(C) Pharynx
(D) Larynx
Answer: (B)

The building blocks of proteins are –
(A) Sugars
(B) Amino acids
(C) Fatty acids
(D) Nucleotides
Answer: (B)

Which part of the plant absorbs water and minerals?
(A) Leaf
(B) Stem
(C) Flower
(D) Root
Answer: (D)

Which among these is a water-soluble vitamin?
(A) Vitamin A
(B) Vitamin B
(C) Vitamin D
(D) Vitamin E
Answer: (B)

Which blood cells are most numerous in human blood?
(A) WBC
(B) RBC
(C) Platelets
(D) Plasma cells
Answer: (B)

Which hormone increases the sugar level in blood?
(A) Insulin
(B) Thyroxine
(C) Glucagon
(D) Estrogen
Answer: (C)

What is the role of bile in digestion?
(A) Digests protein
(B) Digests carbohydrates
(C) Emulsifies fats
(D) Absorbs water
Answer: (C)

Which plant part becomes fruit after fertilization?
(A) Ovule
(B) Ovary
(C) Petal
(D) Style
Answer: (B)

Which enzyme is found in gastric juice?
(A) Amylase
(B) Lipase
(C) Pepsin
(D) Maltase
Answer: (C)

Which disease is caused due to lack of Vitamin B12?
(A) Rickets
(B) Scurvy
(C) Anemia
(D) Night blindness
Answer: (C)

Which of the following is not a function of the skeleton?
(A) Movement
(B) Storage of minerals
(C) Production of insulin
(D) Protection of organs
Answer: (C)

Which disease is caused by a virus?
(A) Cholera
(B) Tuberculosis
(C) Hepatitis
(D) Typhoid
Answer: (C)

Which cells are responsible for producing antibodies?
(A) Neutrophils
(B) B lymphocytes
(C) T lymphocytes
(D) Monocytes
Answer: (B)

Which part of the nephron filters blood?
(A) Loop of Henle
(B) Collecting duct
(C) Glomerulus
(D) Bowman’s capsule
Answer: (C)

Which type of joint is present in the shoulder?
(A) Hinge joint
(B) Ball and socket joint
(C) Pivot joint
(D) Saddle joint
Answer: (B)

Which plant tissue is involved in transport of food?
(A) Xylem
(B) Phloem
(C) Parenchyma
(D) Collenchyma
Answer: (B)

The human eye is sensitive to which part of the electromagnetic spectrum?
(A) Infrared
(B) Ultraviolet
(C) Visible light
(D) X-rays
Answer: (C)

What is the term for the biological study of bones?
(A) Osteology
(B) Hematology
(C) Dermatology
(D) Myology
Answer: (A)

Which mineral is essential for thyroid function?
(A) Calcium
(B) Iodine
(C) Phosphorus
(D) Magnesium
Answer: (B)

Which structure maintains the shape of the plant cell?
(A) Plasma membrane
(B) Chloroplast
(C) Cell wall
(D) Nucleus
Answer: (C)

Which type of respiration occurs in the absence of oxygen?
(A) Aerobic
(B) Anaerobic
(C) Internal
(D) External
Answer: (B)

Which system helps the body to respond to changes?
(A) Endocrine
(B) Circulatory
(C) Digestive
(D) Respiratory
Answer: (A)