Biological catalysts are protein molecules which 1. speed up a chemical reaction 2. remain unchanged after reaction 3. function optimally at 37 deg C. 4. do not have an enzymatic activity Select the correct answer using the code given below.
1.1 only
2.1 2 and 3
3.2 and 3 only
4.1 3 and 4
Blood is
1.alkaline
2.neutral
3.like a buffer
4.acidic
Branch of agriculture concerned with the production of crops
1.Agrotology
2.Agronomy
3.Agrostology
4.Anthropology
Branch of biology in which we study about cultivation of flowering plant
1.Phenology
2.Floriculture
3.Agronomy
4.Botany
Chylomicrons are synthesized within the
1.Intestinal cells
2.Liver
3.Storage compartment of plant seeds
4.Lymphatic system
Cutaneous respiration occurs in
1.Cockroach
2.Salamander
3.Crab
4.Parrot
Dicotyledonous weeds are destroyed by a chemical called
1.Indole - acetic acid
2. 2- 4 dichlorophenoxy acetic acid
3.Abscisic acid
4.Naphthalene acetic acid
Excretion is best described as the removal of
1.Undigested material from the digestive tract
2.Metabolic wastes from a cell
3.Toxic wastes by the process of cyclosis
4.Water molecules from dipeptide hydrolysis
Excretion rates of drugs vary greatly depending upon
1. type of drug
2.medical condition of the person who took the drug
3.Both A & B
4.time at which drug was taken
Function of Leghaemoglobin in nitrogen fixation _____
1.Absorption of oxygen
2. Nutrion of bacteria
3.Absorption of light
4.All
How many daughter cells are produced in mitosis?
1.2
2.4
3.8
4.None
In diseases like Polio the cells that get destroyed by virus are
1.Monocytes
2.Erythrocytes
3.Motor neurons
4. Sensory neurons
In exo-biology we study about ________
1.External structure of living beings
2.Life present on the earth
3.Life present in the other layer of earth atmosphere
4.Life found in space and on other satellite
In plants exchange of gases takes place through
1.Stomata
2.Palisade tissue
3.Spongy tissue
4.mid rib
In which of the following mammals estrous cycle is absent ?
1.Rabbit
2.Horse
3.Cow
4.Monkey
Lathyrism is caused by excess consumption of.......
1.Khesari Dal
2.Mustard oil
3.Mushrooms
4.Polished rice
Major fructose sources include
1. Fruit juices
2.Corn syrup
3.Honey
4. All of the above
Maximum fixation of solar energy is done by
1.Fungi
2.Protozoa
3.Bacteria
4.Green plants
Monocarpic plants are those that produce fruits ...............during the life of the plant
1.once
2.thrice
3.many times
4.twice
Nitrogen fixing bacteria is useful in growing which crop ________
1.Wheat
2.Paddy
3.Legume
4.Maiz
Oath taken by medical graduates is given by
1.Aristotle
2.Theophrastus
3.Hippocrates
4.Darwin
One reason the skeletal system is important is because
1. the skeletal system creates the connective tissue and tendons that allow the body to move
2. the skeletal system is responsible for controlling functions of the entire body
3.without the skeletal system an individual would not have enough calcium to live
4.the skeletal system is solely responsible for housing the body's immune system
Palaeobotany is the branch of botany is which we study about
1.Animal fosills
2.Plant fossils
3.Seed of plant
4.Flower
Phycology is the branch of botany in which we study about
1.Algae
2.Fungi
3.Ecology
4.Virus
Plants growing in sunlight are called
1.sciophytes
2.xerophytes
3.heliophytes
4.hydrophytes
Poison glands of snakes are homologous to
1.sebaceous glands of mammals
2. salivary glands of vertebrates
3.stings of rays
4.electric organs of fishes
Pollination is best defined as
1.growth of pollen tube in ovule
2.visiting flowers by insects
3.germination of pollen grains
4.transfer of pollen from anther to stigma
Shedding of leaves and fruits is due to the presence of hormone named
1.Indole - acetic acid
2. Naphthalene acetic acid
3.Gibberellins
4.Abscisic acid
The best eradication method for a major infestation is
1.Chemical
2.Bacteria
3.Fusion
4.None of the above
The correct order of events during meiosis is
1.prophase I metaphase I anaphase I telophase I cytokinesis meiosis II.
2.anaphase I telophase I prophase I cytokinesis meiosis II.
3.cytokinesis metaphase I anaphase I telophase I
4. telophase I prophase I cytokinesis meiosis II anaphase
The leaves used as wrappers for bides are obtained from which one of the following ?
1.Shikakai
2.Rudraksha
3.Tendu
4.Lemon grass
The water readily available to plants for absorption by roots is
1.Gravitational water
2.Rain water
3.Hygroscopic water
4.Capillary water
There are approximately how many muscles in Human body ?
1.206
2.310
3.554
4.700
Translation of the dna sequence AAGCTGGGA would result in
1.a DNA strand with the base sequence TTCGACCCT
2.an mRNA strand with the sequence TTCGACCCT
3.a sequence of three amino acids linked by peptide bonds
4.an mRNA strand with the sequence UUGCACCCU
Unlike Mitosis Meiosis results in the formation of
1.2N daughter cells
2. Haploid cells
3.body cells
4.Diploid cells
Variable number of tandem repeats (VNTRs) in the DNA molecule are highly useful in
1.Recombinant DNA technology
2.Monoclonal antibody production
3.Stemcell culture
4.DNA fingerprinting
Vitamins are
1. Macro Nutrients
2.Micro nutrients
3.Essential Amino acids
4.Non essential Amino acids
Water pollution of a river is measured by_______
1.Amount of chlorine dissolve in water
2.Amount of Ozone dissolve in water
3. Amount of nitrogen dissolve in water
4.Amount of oxygen dissolve in water
What is the shortest phase of the cell cycle?
1.M
2.G1
3.S
4.G2
What kingdom does Amoeba belong to
1.Plantae
2.Protista
3.Monera
4.Prokaryotae
Which observation proves that a cell is a eukaryote?
1. It contains DNA
2.It contains ribosomes
3.It has a cell membrane
4.It has DNA inside a nucleus
Which of the following cells do not contain nucleus? 1. Root hair cells 2. Red blood cells 3. Platelets 4. Monocytes Select the correct answer using the code given below.
1. 1 only
2. 2 and 3 only
3.1 2 and 4
4.2 3 and 4
Which of the following is an Abiotic factor?
1.Plants
2.Water
3.Consumers
4.Animals
Which of the following is an abnormal constituent of urine?
1.Creatinine
2.Uric acid
3.Glucose
4.Urea
Which of the following pairs is mismatched?
1.Hooke - cell theory
2. van Leeuwenhoek - germ theory
3.Lister - aseptic surgery
4.Jenner - vaccines
Which of the following plays an important part in photosynthesis?
1.Chloroplast
2.Centrosome
3.Tonoplast
4.Nematoblast
Which of the following vitamin helps in clotting of blood?
1.Vitamin K
2.Vitamin D
3. Vitamin B1
4. Vitamin B2
Which of these is not a function of the kidneys?
1. The kidneys regulate the plasma volume
2.The kidneys help to regulate blood pressure
3. The kidneys help control the rate of red blood cell production
4. The kidneys deactivate vitamin D and stimulate the activity of osteoclasts
Which type of Stem modification is seen in banana ?
1.Rhizome
2.Stem tuber
3.Corn
4.Bulb
Yellow color of urine is due to presence of
1.Bile juice
2.Urochrome
3.Lymph
4.Cholesterol