Biology

Biology Multiple Choice Questions and Answers (MCQ) PDF: Quizzes & Practice Tests with Answer Key. This section Biology basic concepts, theory and objective tests.

This section covers following topic MCQs: Bioenergetics, biological molecules, cell biology, coordination and control, enzymes, fungi, recyclers kingdom, gaseous exchange, growth and development, kingdom Animalia, kingdom plantae, kingdom prokaryotae, kingdom protoctista, nutrition, reproduction, support and movements, transport biology, variety of life, and homeostasis etc.

    Everyday Vitamins
    Which is the smallest and the fastest of all planets?
    Biology
    The resources which are usually found everywhere on the earth are known as
    Those resources which are found everywhere are known as ubiquitous resources. Ubiquitous resources are those natural resources which are available everywhere. Air, water and wind are examples of ubiquitous resources.
    Biology
    Which of the following group of animals get nutrition by feeding on both plants and animals?
    Biology
    Speciation is defined as the evolutionary process by which
    Speciation is an evolutionary process by which a new species comes into being. A species is a group of organisms that can reproduce with one another to produce fertile offspring and is reproductively isolated from other organisms.
    Biology
    The organism which indicates the faecal contamination of water in the river Ganga of India is
    E coli is considered to be the species of coliform bacteria that is the best indicator of faecal pollution and possible presence of disease-causing pathogens,” said noted environmental scientist and former BHU professor B D Tripathi.
    Biology
    Which of the following is considered as a chemical method of contraception?
    Birth control pills (BCPs) contain man-made forms of 2 hormones called estrogen and progestin. These hormones are made naturally in a woman`s ovaries. BCPs can contain both of these hormones, or have progestin only. Both hormones prevent a woman`s ovary from releasing an egg during her menstrual cycle (called ovulation).BCPs are also called oral contraceptives or just “the pill.”
    Biology
    In a plant the small pores present on the surface of a leaf are known as
    Stomate, also called stoma, plural stomata or stomas, any of the microscopic openings or pores in the epidermis of leaves and young stems.
    Biology
    The common tube in human male for urine and sperm is
    The penis carries sperm out of the body. There are three tubes inside the penis. One is called the urethra. It is hollow and carries urine from the bladder through the penis to the outside.
    Biology
    In a human body the largest endocrine gland is called
    The thyroid is our body`s biggest endocrine gland, and regulates important metabolic processes connected to our heart rate, body temperature and energy levels.
    Biology
    Which of the following is the correct location of Thyroid gland?
    The thyroid gland is located at the front of the neck just below the Adam`s apple (larynx). It is butterfly-shaped and consists of two lobes located either side of the windpipe (trachea). A normal thyroid gland is not usually outwardly visible or able to be felt if finger pressure is applied to the neck.