Biology (School & UG)

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Q. Which of the following statements about the light reactions is true?
  • A. They occur in the stroma
  • B. They do not require light
  • C. They produce ATP and NADPH
  • D. They fix carbon dioxide
Q. Which of the following statements about the light-dependent reactions is true?
  • A. They occur in the stroma
  • B. They produce ATP and NADPH
  • C. They do not require light
  • D. They fix carbon dioxide
Q. Which of the following statements about the light-independent reactions is true?
  • A. They require light directly
  • B. They occur in the thylakoid membranes
  • C. They produce glucose
  • D. They release oxygen
Q. Which of the following structures is NOT part of the upper respiratory tract?
  • A. Nasal cavity
  • B. Pharynx
  • C. Larynx
  • D. Bronchi
Q. Which of the following structures is responsible for gas exchange in mammals?
  • A. Bronchi
  • B. Alveoli
  • C. Trachea
  • D. Lungs
Q. Which of the following structures is responsible for the exchange of nutrients and waste between the mother and fetus?
  • A. Umbilical cord
  • B. Amniotic sac
  • C. Placenta
  • D. Chorion
Q. Which of the following structures is responsible for the production of male gametes in flowering plants?
  • A. Stigma
  • B. Anther
  • C. Style
  • D. Ovary
Q. Which of the following techniques is used to amplify DNA?
  • A. Gel electrophoresis
  • B. Polymerase chain reaction (PCR)
  • C. Southern blotting
  • D. Sanger sequencing
Q. Which of the following techniques is used to introduce recombinant DNA into a host cell?
  • A. PCR
  • B. Transformation
  • C. Gel electrophoresis
  • D. Cloning
Q. Which of the following techniques is used to separate DNA fragments by size?
  • A. PCR
  • B. Gel electrophoresis
  • C. Cloning
  • D. DNA sequencing
Q. Which of the following tissues is primarily involved in the storage of water in succulent plants?
  • A. Xylem
  • B. Phloem
  • C. Parenchyma
  • D. Sclerenchyma
Q. Which of the following tissues is primarily involved in the transport of hormones in plants?
  • A. Xylem
  • B. Phloem
  • C. Parenchyma
  • D. Sclerenchyma
Q. Which of the following vaccines is a live attenuated vaccine?
  • A. Influenza vaccine
  • B. MMR (Measles, Mumps, Rubella) vaccine
  • C. Hepatitis B vaccine
  • D. Tetanus toxoid vaccine
Q. Which organ is primarily responsible for detoxifying chemicals in the human body?
  • A. Kidney
  • B. Liver
  • C. Heart
  • D. Lungs
Q. Which organ is primarily responsible for filtering blood in mammals?
  • A. Liver
  • B. Heart
  • C. Kidneys
  • D. Lungs
Q. Which organ produces bile that aids in the digestion of fats?
  • A. Pancreas
  • B. Liver
  • C. Gallbladder
  • D. Stomach
Q. Which organ produces bile?
  • A. Pancreas
  • B. Liver
  • C. Gallbladder
  • D. Stomach
Q. Which organelle is involved in the degradation of waste materials in plant cells?
  • A. Lysosome
  • B. Chloroplast
  • C. Vacuole
  • D. Mitochondrion
Q. Which organelle is involved in the detoxification of harmful substances in plant cells?
  • A. Lysosome
  • B. Peroxisome
  • C. Vacuole
  • D. Chloroplast
Q. Which organelle is known as the powerhouse of the cell?
  • A. Ribosome
  • B. Mitochondrion
  • C. Chloroplast
  • D. Endoplasmic reticulum
Q. Which organelle is primarily responsible for respiration in plant cells?
  • A. Chloroplast
  • B. Mitochondria
  • C. Nucleus
  • D. Endoplasmic reticulum
Q. Which part of the brain is responsible for regulating balance and coordination?
  • A. Cerebrum
  • B. Cerebellum
  • C. Brainstem
  • D. Thalamus
Q. Which part of the brain regulates the rate and depth of breathing?
  • A. Cerebrum
  • B. Cerebellum
  • C. Medulla oblongata
  • D. Thalamus
Q. Which part of the brain regulates the rate of breathing?
  • A. Cerebrum
  • B. Cerebellum
  • C. Medulla oblongata
  • D. Thalamus
Q. Which part of the brain regulates the respiratory rate?
  • A. Cerebrum
  • B. Cerebellum
  • C. Medulla oblongata
  • D. Thalamus
Q. Which part of the chloroplast contains the thylakoid membranes?
  • A. Stroma
  • B. Outer membrane
  • C. Inner membrane
  • D. Granum
Q. Which part of the digestive system is primarily involved in water absorption?
  • A. Stomach
  • B. Small intestine
  • C. Large intestine
  • D. Esophagus
Q. Which part of the digestive system is primarily responsible for water absorption?
  • A. Mouth
  • B. Stomach
  • C. Small intestine
  • D. Large intestine
Q. Which part of the flower develops into the fruit?
  • A. Stamen
  • B. Ovary
  • C. Petal
  • D. Sepal
Q. Which part of the flower is primarily responsible for attracting pollinators?
  • A. Stamen
  • B. Pistil
  • C. Petals
  • D. Sepals
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