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You Are On Question Answer Bank SET 2317

115851. Monotremes are unique mammals because they?

Answer: lay eggs

115852. Poison glands of snakes are homologous to?

Answer: salivary glands of vertebrates

115853. Radical vascular bundles are those in which?

Answer: xylem and phloem occur on the different radii

115854. Plant bends towards the source of light on account of the movement of curvature known as?

Answer: phototropism

115855. Plant have ____ while animals lack it.?

Answer: cellulose

115856. Osmosis is the flow of solution from higher concentration to a solution of lower concentration through a semi permeable membrane. What is incorrect in this statement?

Answer: The flow of solution is not possible through semi permeable membrane

115857. Photosynthesis is a process?

Answer: reductive; endergonic and anabolic

115858. Pigmentation of skin is due to?

Answer: melanocytes

115859. Norepinephrine increases?

Answer: blood pressure

115860. Night blindness is cause by lack of which vitamin?

Answer: Vitamin A

115861. Monocot root differs from dicot root in having?

Answer: well developed pith

115862. Radioactivity is a phenomenon of the spontaneous emission of?

Answer: All of the above

115863. Organic Substances which; in very small amounts; control growth and development called?

Answer: hormones

115864. Our major foods; fibres; spices; fruits and beverage crops are?

Answer: flowering plants

115865. Movements due to light are shown by?

Answer: flowering plants

115866. Outer covering of virus made up of protein is?

Answer: capsid

115867. Radish is a?

Answer: modified root

115868. Most common disease of poultry in India is?

Answer: ranikhet

115869. Most abundant tissues of our body are?

Answer: connective

115870. Mumps is a disease caused by?

Answer: virus

115871. Rain water helps to increase the ____ to some extent.?

Answer: calcium contents

115872. Number of chromosomes in Down's syndrome is?

Answer: 47

115873. Plants are killed in winter by frost?

Answer: because of desiccation and mechanical damage to the tissues

115874. Pulses are a good source of?

Answer: proteins

115875. Oxygen in our blood is transported by a protein named?

Answer: haemoglobin

115876. Nymph is the name of young one of?

Answer: cockroach

115877. Plants that grow under average temperature and moisture are called?

Answer: mesophytes

115878. Oxyreductases; transferases; hydrolases; lyases; isomerases and ligases are all classes of?

Answer: enzymes

115879. Mutation is?

Answer: a change that is inherited

115880. Pollen grains in plants are produced in?

Answer: flower

115881. Ptyalin is an enzyme produced in the?

Answer: salivary glands

115882. Mycobacterium leprae causes leprosy; Corynebacterium diphtheria causes diphtheria and Vibrio comma causes?

Answer: cholera

115883. The scientific study of a heavenly bodies is called?

Answer: Astronomy

115884. How many kms is an Astronomical Unit (AU) in terrestrial measurements?

Answer: 149597870700 metres or about 150 million kilometres (93 million miles)

115885. In which book, Nicholas Copernicus, wrote that the Sun is the centre of Universe, that marked the beginning of modern astronomy?

Answer: De Revolution Orbium Coelestium

115886. Who wrote ancient cosmological treatise Almagest?

Answer: Ptolemy

115887. Which Greek astronomer of 150 BC compiled a catalogue of the position of more than 800 stars besides establishing a magnitude scale to measure star brightness, that is still in use?

Answer: Hipparchus

115888. What is Big Bang Theory?

Answer:

115889. The science which deals with the nature and origin of the universe is known as?

Answer: Cosmology

115890. Founder of Scientific Astronomy?

Answer: Hoffmann

115891. A congregation of millions or billions of stars held together by gravity?

Answer: Galaxy

115892. How many different kinds of galaxies are there?

Answer:

115893. Which American astronomer classified the galaxies into spiral elliptical and irregular types?

Answer: Edwin Hubble

115894. Our galaxy milky way is a?

Answer: Spiral Galaxy

115895. Which galaxy is called as the twin of our galaxy, the milky way?

Answer: M-31

115896. Group of stars that form certain shapes or pattern are called?

Answer: Constellations

115897. The pole star is a part of the ........ constellation?

Answer: Ursa Minor

115898. Where is Lyra?

Answer: Lyra is a summer constellation.

115899. The biggest constellation is?

Answer: Hydra

115900. Which constellation is known as Hunter?

Answer: Orion
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