Que- Who formulated Cell theory?
a. Schwan
b. M.J.Schleiden
c. Henri Dutrochet
d. Both Schawn and M.J.Scheilden
Answer- Both Schawn and M.J.Scheilden
Que- Which of the following are known as the suicide bags of cells?
a. Lysosomes
b. Golgi bodies
c. Nucleoli
d. Ribosomes
Answer- Lysosomes
Que- Which feature do Prokaryotic and Eukaryotic cells share
a. Nucleus
b. DNA
c. Nuclear membrane
d. Membrane bound Organelles
Answer- DNA
Que- Which of the following contain enzymes for cellular respiration ?
a. Dictyosomes
b. Endoplasmic reticula
c. Lysosomes
d. Mitochondria
Answer- Mitochondria
Que- The smallest unit that is capable of carrying out life functions is known as
a. Tissue
b. Cell
c. Blood
d. DNA
Answer- Cell
Que- Fusion of two gametes called
a. Fertilization
b. Development
c. Regeneration
d. Pollination
Answer- Fertilization
Que- Flowers in which polllination takes place by insect their pollen grains are ________
a. Smooth and dry
b. Rough and sticky
c. Rough and dry
d. Large in Size
Answer- Rough and sticky
Que- Ornithology is the study of
a. Mammal
b. Birds
c. Fishes
d. Bat
Answer- Birds
Que- Pollination is best defined as
a. Growth of pollen tube in ovule
b. Visiting flowers by insects
c. Germination of pollen grains
d. Transfer of pollen from anther to stigma
Answer- Transfer of pollen from anther to stigma
Que- Self pollination will lead to
a. Inbreeding
b. Over breeding
c. Outbreeding
d. Rare breeding
Answer- Inbreeding
Que- Which one of the following is not a genetic disorder ?
a. Colour blindness
b. Down's syndrome
c. Haemophilia
d. Xerophthalmia
Answer- Xerophthalmia
Que- Who is known as Father of Modern Genetics
a. Charles Darwin
b. Louis Pasteur
c. Gregor Mendel
d. Jean Baptiste Lamarck
Answer- Gregor Mendel
Que- Tracheids are conducting cells of which tissue?
a. Xylem
b. Phloem
c. Cambium
d. None of these
Answer- Xylem
Que- The main function of the inner bark of a woody plant is to
a. Transport minerals and water from the roots to the leaves
b. Act as a membrane impermeable to water and gas
c. Transport food from the leaves to the other parts of the plant
d. Protect the plant from herbivorous animals
Answer- Transport food from the leaves to the other parts of the plant
Que- Which one of the following tissues is responsible for increase of girth in the stem of a plant?
a. Tracheid
b. Pericycle
c. Intercalary meristem
d. Lateral meristem
Answer- Lateral meristem
Que- Which of the following transports water from the roots of the plant to its leaves?
a. Xylem
b. Phloem
c. Both xylem and phloem
d. Cortex
Answer- Both xylem and phloem
Que- The water and mineral salts are transported to the various organs by which of the following?
a. Xylem
b. Phloem
c. Cortex
d. Cambium
Answer- Xylem
Que- What prevents food from entering the windpipe?
a. Epiglottis
b. Pharynx
c. Trachea
d. Larynx
Answer- Epiglottis
Que- Which of the following is true of enzymes?
a. Enzymes lowers the activation energy for the chemical reaction
b. Enzymes speed up the rate of a chemical reaction
c. Both A & B
d. Neither A nor B
Answer- Both A & B
Que- They substances,which assist enzymes act,are called
a. Diastase
b. Substrates
c. Co-enzymes
d. None of the above
Answer- Substrates
Que- Biological catalysis in living organisms are known as
a. Hormones
b. Vitamins
c. Steroids
d. Enzymes
Answer- Enzymes
Que- Which of the following is not a function of saliva?
a. Contains fluoride to harden the tooth enamel
b. Moistens food and helps stick it together to make it easier to swallow
c. Begins the chemical breakdown of starches
d. Helps clean the mouth
Answer- Contains fluoride to harden the tooth enamel
Que- Pollen grains in plants are produced in
a. roots
b. leaves
c. flower
d. stem
Answer- flower
Que- Nitrogen is fixed in ecosystems in ways stated below. Which one of the statements below is false?
a. By cyanobacteria
b. By electrical discharges in the atmosphere
c. By industrially synthesised fertilizer
d. By denitrification
Answer- By denitrification
Que- Ptyalin is an enzyme produced in the
a. salivary glands
b. pituitary glands
c. thyroid glands
d. pancreas
Answer- salivary glands
Que- Mycobacterium leprae causes leprosy, Corynebacterium diphtheria causes diphtheria and Vibrio comma causes
a. tetanus
b. influenza
c. cholera
d. typhoid
Answer- cholera
Que- The colour of Hemoglobin is
a. Red
b. Yellow
c. White
d. Colorless
Answer- Red
Que- The elastic vessels which transport blood to the heart is known as
a. Arteries
b. Veins
c. Capillaries
d. None of the above
Answer- Veins
Que- The elastic vessels which transport blood from the heart is known as
a. Arteries
b. Sinusoids
c. Capillaries
d. None of the above
Answer- Arteries
Que- White blood cell act
a. As a defence against infection
b. As a source of energy
c. For clotting blood
d. As a medium for oxygen transport from lung to tissues
Answer- As a defence against infection
Que- Protein synthesis in a bacterial cell is done by
a. Centrioles
b. Flagella
c. Thylakoids
d. Ribosomes
Answer- Ribosomes
Que- Which one is the first organelle to be discovered
a. Chloroplast
b. Nucleus
c. Vacuole
d. Lysosome
Answer- Nucleus
Que- The cell theory was proposed by
a. Hook
b. Schleiden
c. Oken
d. Darwin
Answer- Hook
Que- The Powerhouse of the cell is
a. Chloroplast
b. Nucleus
c. Endoplasmic reticulum
d. Mitochondria
Answer- Mitochondria
Que- Which of the following is an example of parasitism?
a. Leeches consume blood of their host
b. Ticks that live on dogs
c. Aphid insects eat the sap of the host plant
d. All of the above
Answer- All of the above
Que- ________ is the interaction in which one species benefits and the other is neither harmed nor benefited.
a. Predation
b. Commensalism
c. Competition
d. Parasitism
Answer- Commensalism
Que- Increased RBC's in the blood leads to a condition called
a. Anemia
b. Haemophilia
c. Polycthemia
d. Leukaemia
Answer- Polycthemia
Que- Platelet is also known as
a. Leucocytes
b. Erythrocytes
c. Thrombocytes
d. Phagocytosis
Answer- Thrombocytes
Que- Antibodies are produced by
a. Lymphocytes
b. Plasma cells
c. RBCs
d. T-cells
Answer- Plasma cells
Que- Oxygenated blood is carried from the lungs to the ________ by the pulmonary veins
a. Right ventricle
b. Left ventricle
c. Right auricle
d. Left auricle
Answer- Left auricle
Que- Which one is the largest cells in white blood corpuscles
a. Lymphocytes
b. Basophils
c. Monoscytes
d. Neutrophils
Answer- Monoscytes
Que- The term biology is derived from the language
a. French
b. Latin
c. Purthgali
d. Greek
Answer- Greek
Que- Which structure is common to plant and animal cells?
a. Centriole
b. Chloroplast
c. Central Vacuole
d. Mitochondria
Answer- Mitochondria
Que- Which observation proves that a cell is a eukaryote?
a. It contains DNA
b. It contains ribosomes
c. It has a cell membrane
d. It has DNA inside a nucleus
Answer- It has DNA inside a nucleus
Que- Physical basis of life is
a. Cytoplasm
b. Neucleoplasm
c. Protoplasm
d. Haloplasm
Answer- Protoplasm
Que- Where does cellular respiration take place in the cell?
a. Cytoplasm
b. Mitochodria
c. Ribosomes
d. Chromosomes
Answer- Mitochodria
Que- Diphtheria disease is caused by
a. Corynebacterium diphtheria
b. Diplococus pneumo
c. Pasteurella pestis
d. Streptomyces species
Answer- Corynebacterium diphtheria
Que- Which of the following disease is non-communicable in nature?
a. Cholera
b. Chicken-pox
c. Tuberculosis
d. Cancer
Answer- Cancer
Que- When a disease break out and spread from one place to another affecting large number of peoples it is called
a. Edemic
b. Epidemic
c. Endemic
d. Sporadic
Answer- Epidemic
Que- Which of the following disease is caused by female Anopheles mosquito?
a. Chicken Pox
b. Malaria
c. Black Fever
d. Cholera
Answer- Malaria
Que- Which one among the following water-borne diseases is not caused by a bacteria ?
a. Cholera
b. Typhoid
c. Bacillary dysentery
d. Hepatitis A
Answer- Hepatitis A
Que- Such plants which are adapted to survival under conditions a limited supply of water in its habitat are known as
a. Hydrophytes
b. Saprophytes
c. Xerophytes
d. Pteridophytes
Answer- Xerophytes
Que- Azolla is a
a. Algae
b. Fungi
c. Bryophyta
d. Aqueous fern
Answer- Aqueous fern
Que- Bamboo is classified as
a. Tree
b. Grass
c. Shrub
d. Herb
Answer- Grass
Que- Bios means
a. Study
b. Life
c. Fact
d. True
Answer- Life
Que- In many which phylum the body of an organisms is usually divided in there regions called head, thorax and abdomen?
a. Annelida
b. Chordata
c. Arthropods
d. Echinodermata
Answer- Arthropods
Que- Source of infection in diseases like Tuberculosis, Mumps and Whooping cough is
a. Direct contact
b. Droplets of saliva
c. Carrier organism
d. A vector
Answer- Droplets of saliva
Que- Anopheles mosquito carries Plasmodium which causes malaria in
a. Humans
b. Animals
c. Sparrows
d. All of the above
Answer- Humans
Que- Anopheles mosquito carries Plasmodium which causes malaria in
a. Humans
b. Animals
c. Sparrows
d. All of the above
Answer- Humans
Que- Which is called as triple vaccine?
a. BCG
b. DTP
c. TAB
d. All of the above
Answer- DTP
Que- Which of the following is an Abiotic factor?
a. Plants
b. Water
c. Consumers
d. Animals
Answer- Water
Que- All insects have how many parts of legs?
a. 2
b. 3
c. 4
d. 6
Answer- 3
Que- All living things except bacteria and blue green algae are termed as
a. Prokayotes
b. Lsosmes
c. Eukaryotes
d. None of the above
Answer- Eukaryotes
Que- There are how many species of fungi?
a. 80 species
b. 800 species
c. 8,000 species
d. 80,000 species
Answer- 80,000 species
Que- Which of the following is true of annelids?
a. They have an open circulatory system
b. They have a nerve net
c. They perform gas exchange across their skin
d. They have pseudocoeloms
Answer- They perform gas exchange across their skin
Que- Which of the following has the largest number of chromosomes?
a. Human beings
b. Pteridophytes
c. Elephants
d. Bryophytes
Answer- Pteridophytes
Que- Which of the following micro-organism causes diseases like polio and chicken pox?
a. Bacteria
b. Protozoa
c. Algae
d. Virus
Answer- Virus
Que- What kingdom does Amoeba belong to
a. Plantae
b. Protista
c. Monera
d. Prokaryotae
Answer- Protista
Que- Which bacteria cause the greatest harm in the food industry?
a. Recycling
b. Digestive
c. Fermenting
d. Pathogenic
Answer- Pathogenic
Que- Bacteria divides by
a. Binary Fission
b. Spirilla
c. RNA
d. Fusion
Answer- Binary Fission
Que- Important plant diseases like fire-blight and crown all are caused by
a. Viruses
b. Bacteria
c. Fungi
d. Protozoans
Answer- Bacteria
Que- Study of nose and alfactory organs is called
a. Radiology
b. Rhinology
c. Radiography
d. None of these
Answer- Rhinology
Que- The size of the pupil is controlled by the
a. Retina
b. Iris
c. Cornea
d. Lens
Answer- Iris
Que- Bacteria are classified in the kingdom
a. Animalia
b. Fungi
c. Monera
d. Protista
Answer- Monera
Que- Which of the following animals shows radial symmetry
a. Frog
b. Pila
c. Star Fish
d. Fish
Answer- Star Fish
Que- Who introduced the ""binomial nomenclature"" to name organisms
a. C. Darwin
b. G. Mendel
c. E. Mayer
d. C. Linnaeus
Answer- C. Linnaeus
Que- Aestivation is seen in
a. Amphibians
b. Chimpanzee
c. Salmon
d. Squirrels
Answer- Amphibians
Que- Which one is the largest animal phylum
a. Arthropod
b. Mollusca
c. Chordata
d. Coelomates
Answer- Arthropod
Que- A typical chromosome has two parts a centrifuge and ________
a. Blastomeres
b. Chromosomes
c. Centrosomes
d. Ribosomes
Answer- Chromosomes
Que- How does a Unicellular Organism reproduce?
a. Cell division
b. Cell reproduction
c. Cell synthesis
d. Fragmentation
Answer- Cell division
Que- Healing of wounds is dependent upon the ________ division of underlying cells
a. Meiosis
b. Mitotic
c. Budding
d. None of the above
Answer- Mitotic
Que- It is formed by a repeating nucleosome units ,which are closely attached to each other to a continuous fibre.
a. Chromatin
b. Centromere
c. Chromosome
d. DNA
Answer- Chromatin
Que- It is the site of chromosomes attachment to the fiber of spindle.
a. Chromomere
b. Centromere
c. Centrosme
d. Blastomere
Answer- Centromere
Que- ________ helps the eye to adjust the focal length of the lens.
a. Lens
b. Ciliary body
c. Retina
d. Entire eye ball
Answer- Ciliary body
Que- Eustachian Tube is located in which part of human body?
a. Nose
b. Ear
c. Eyes
d. Throat
Answer- Ear
Que- Glomerulus and Bowman's capsule constitute
a. Blood vessels
b. Malpighian body
c. Green gland
d. Malpighian tubule
Answer- Malpighian tubule
Que- The kidneys are stimulated to produce renin
a. When the pH of the urine decreases
b. When the specific gravity of urine rises above 1.10
c. When the peritubular capillaries are dilated
d. By a decrease in the blood pressure
Answer- By a decrease in the blood pressure
Que- In mammals, an important role of excretion is played by________
a. Large intestine
b. Kidneys
c. Lungs
d. Liver
Answer- Kidneys
Que- Salts and sugars work to preserve foods by creating a
a. Hypertonic environment
b. Lower pH
c. Depletion of nutrients
d. Lower osmotic pressure
Answer- Hypertonic environment
Que- Movement of cell against concentration gradient is called
a. Active transport
b. Diffusion
c. Osmosis
d. Passive transport
Answer- Active transport
Que- Which one among the following Indian scientists proposed a theory for long distance transport of water in plants ?
a. J.C. Bose
b. Birbal Sahni
c. P. Maheshwari
d. N.S. Parihar
Answer- N.S. Parihar
Que- The movement of materials across the cell membrane with the help of biological energy provided by ATP is called
a. Active Transport
b. Passive Transport
c. Endocytosis
d. Fractionation
Answer- Active Transport
Que- Which process requires no energy from the cell?
a. Osmosis
b. Diffusion
c. Both A & B
d. None of the above
Answer- Both A & B
Que- What is the effect of oversecretion of hormone from pituitary gland?
a. Increase growth in length
b. Unbalanced development of body
c. Body became curve
d. None of the above
Answer- Increase growth in length
Que- Which of the following is not a gland?
a. Thyroid
b. Gastrine
c. Liver
d. Pancreas
Answer- Gastrine
Que- Oxytocin hormone is secreted by gland
a. Pituitary
b. Pineal
c. Adrenal
d. Ovary
Answer- Pituitary
Que- Enlargment of _______ gland takes place due to deficiency of iodine
a. Thyroid
b. Pituitary
c. Adrenal
d. Parotid
Answer- Thyroid
Que- Pepsin is a
a. Hormone
b. Enzyme
c. Vitamin
d. Mineral
Answer- Enzyme
Que- The hormone which stimulates the stomach for the production of digestive juice is
a. Gastrin
b. Trysin
c. Secretin
d. Pepsin
Answer- Gastrin
Que- Most absorption of nutrients occurs in the
a. Stomach
b. Liver
c. Large intestine
d. Small intestine
Answer- Small intestine