Biology Mcqs 03
What is the process of cell division in body cells called?Meiosis FertilizationMitosisFission C) Mitosis Mitosis is the division of body (somatic) cells.
What are vertebrates?Animals with backbones Animals without backbonesAnimals with wingsAnimals with gills onlyA) Animals with backbonesVertebrates are characterized by having a backbone.
What is the normal pH of human blood? 6.0 6.8 7.48.0 C) 7.4 Human blood is slightly alkaline with a pH of 7.4.
Which vitamin prevents night blindness?Vitamin A Vitamin CVitamin DVitamin KA) Vitamin A: Vitamin A is essential for good vision
What is the study of plants called?ZoologyBotany EcologyAnatomyB) Botany Botany is the branch of biology that deals with plants.
What is the smallest unit of the kidney?NeuronNephron Alveolus GlomerulusB) Nephron: Nephron is the basic functional unit of the kidney.
Which gas is released during photosynthesis? Oxygen) Carbon dioxideNitrogenHydrogen A) OxygenPlants release oxygen as a by-product of photosynthesis.
. Which hormone regulates blood sugar level?InsulinThyroxine AdrenalineEstrogen A) InsulinInsulin controls blood glucose levels.
Which animal is known as the "Ship of the Desert"?Horse Camel Donkey Buffalo B) Camel Camel is adapted to desert life and is called the ship of the desert.
Which part of the cell contains genetic material? MitochondriaRibosome Nucleus CytoplasmC) NucleusThe nucleus holds DNA, the genetic material of the cell.
Which organ produces insulin? Liver Pancreas KidneySpleenB) Pancreas The pancreas secretes insulin to regulate blood sugar.
Which part of the plant is responsible for making seeds?Root Stem LeafFlowerD) FlowerFlowers develop into seeds after pollination.
Which is the main organ of the circulatory system? Brain KidneyLiverHeart D) HeartThe heart pumps blood throughout the body.
What is the study of animals called? BotanyZoologyAnatomy Ecology B) ZoologyZoology is the branch of biology that studies animals.
What is the main function of red blood cells?Fight infectionsCarry oxygen Produce hormones Filter bloodB) Carry oxygen RBCs transport oxygen using hemoglobin.