Acetic acid is weak acid than sulphuric acid because of w co the following reasons
- It decomposes on increasing temperature
- It has more inductive effect
- It has less degree of ionization
- It has -COON group
Which of the following pair is iso-structural
- AICI3 and CH4
- BF3 and NH3
- S03 and BF3
- SnCl2 and BeCl2
Which of the following is a bidentate ligand
- Hydrazine
- Carbonyl
- Ammine
- Aqua
Which of the following characteristic of carbonyl oxygen increases by base-catalyzed reaction
- Amphoteric
- Electrophobic
- Electrophilic
- Nucleophilic
Protein content of human milk is about:
- 3.4 %
- 1.4 %
- 4.4 %
- 2.4 %
Thermodynamically the most stable form of carbon is
- Graphite
- Diamond
- Coal
- Peat
The general electronic configuration of halide ions is
- ns2 . np3
- ns1 . np5
- ns2 . np5
- ns2 . np6
A set of postulates that explain the behavior of deal gas is called
- Dalton’s theory
- Bohr theory
- Rutherford theory
- Kinetic molecular theory of gases
Which of the following metal does not react with water
- Mg
- Ca
- Na
- Be
Which one of the following have no cleavage plane
- Graphite
- NaCI crystals
- Ice
- Copper crystals
The acylium ion has a positive charge and act as
- Electrophile
- Nucleophile
- Carbocation
- Carbanion
Which of the following is carbon atom of a Carbonyl group
- sp hybridized
- sp3 hybridized
- dsp2 hybridized
- sp2 hybridized
Which one is incorrect for actual yield is less than theoretical yield due to:
- All molecules do not possess activation energy
- Reversibility of reaction
- Mechanical losses
- Substance is pure
The system in which three angles and axes are unequal is called
- Trigonal system
- Orthorhombic system
- Triclinic system
- Cubic system
Passage of water across a selectively permeable membrane is called
- Pinocytosis
- Facilitated diffusion
- Active transport
- Osmosis
Animals having jointed legs and chitinous exoskeleton are knows as:
- Mollusca
- Annelida
- Chordates
- Arthropods
Mode of inheritance in humans can be traced through
- Experimental Mating
- Pedigree Analysis
- Chi Square Chart
- Probability Analysis
Which of the following transport processes require energy for the movement of the material across the plasma
- Diffusion
- Endocytosis
- Facilitated diffusion
- Osmosis
Which of the following organelles contains circular DNA and small size ribosomes
- Nucleus
- Endoplasmic reticulum
- Mitochondria
- Golgi complex
In chlorophyll A, -CH3 group is attached to which pyrrole ring
- 2nd
- 1st
- 3rd
- 4th
Fasciola an endoparasite in sheep mostly found in
- Liver and bile duct of sheep
- Stomach of sheep
- Large intestine of sheep
- Blood of sheep
The maximum water potential of pure water is _____ .
- 100
- -100
- 0
- 1
Action potential in neuronal membrane starts the process of
- Hyperpolarization
- Depolarization
- Repolarization
- Polarization
Cyanides blocks the action of enzymes by combining with
- Calcium
- Copper
- Magnesium
- Iron
Trace amount of vitamins are the basic natural reservoir in making _____ .
- Prosthetic group
- Activator
- Coenzyme
- Cofactor
Which of the following statement is NOT true about protein
- Proteins are polymers of amino acid
- Protein are nitrogenous compound
- Protein are building block of tissues
- Protein are hydrated carbons
Which of the following types of organism first evolved about 1.5 billion years ago
- Eukaryotes
- Animals
- Prokaryotes
- Seed plants
Trans face of Golgi complex is a
- Forming face that consists of young cisternae
- Forming face that consists of old cisternae
- Maturing face that consists of newly built cisternae
- Maturing face that consists of old cisternae
Both enzymes and coenzymes are
- Reused
- Inorganic
- Globular proteins
- Derived from vitamins
The infundibulum connects pituitary gland to the:
- Cerebrum
- Hypothalamus
- Cerebellum
- Thalamus
The phenomenon responsible for genetic variation is:
- Gene linkage
- Crossing over
- Cloning
- Mitosis
Epididymis opens into:
- Vas efferens
- Urinogenital duct
- Vas deferens
- Ejaculatory duct
For all life processes. which of the following is the direct source of energy
- Redox reactions
- ATP molecules
- Electrons
- Association of chemical bonds
What are nerve impulses
- Electromechno Waves
- Electrochemical Waves
- Electromagnetic Waves
- Electromechanical Waves
As water changes into vapors _____ .
- Its molecular movement decreases.
- Its molecules increase in temperature.
- It absorbs heat from the surroundings.
- It warms the surrounding environment.
Who discovered ABO blood group systems
- Bernstein
- Mendel
- Levin
- Landsteiner
Which of the following is a conjugated molecule
- Polysaccharides
- Starch
- Glycoproteins
- Glycogen
Which hormone controls the release of milk from the mammary glands
- Oxytocin
- Luteinizing hormone
- Progesterone
- Follicle-stimulating hormone
Sterilization of blood products is carried out by
- Drying
- Filtration
- Radiation
- Chemicals
In prokaryotes the function of mitochondria is performed by which one of the following
- Ribosome
- Mesosome
- Plasmid
- Periplasm
Which of the following is a viral sexually transmitted disease
- Gonorrhea
- Genital Herpes
- Syphilis
- Dengue
NAD is a:
- Polynucleotide
- Dinucleotide
- Mononucleotide
- Trinucleotide
Fossil of Cro-Man was collected from
- France
- South America
- Great Britain
- Ireland
The flow of lymph is always towards _____ .
- Iliac arteries
- Thymus gland
- Carotid arteries
- Thoracic lymph duct
Phycocyanin is a pigment present in Cyanobacteria Phycocyanin is of _____ colour
- Green
- Blue
- Yellow
- Red
In prokaryotic cell which one of the following organelle is present
- Ribosomes
- GoIgi apparatus
- Mitochondria
- Nucleus
What are the living cells of cartilage called
- Melanocytes
- Chondrocytes
- Astrocytes
- Osteocyte
Which of the following is NOT an event of light dependent reactions during photosynthesis
- Photolysis of water
- Reduction of Carbon dioxide
- Production of ATP by Photophosphorylation
- Reduction of NAOP to NADPH
When do anti-A and anti-B antibodies appear in plasma
- During early development
- When exposed to wrong blood group
- During first few months of life
- At the age of puberty
Which among the following permit interbreeding among the individuals of same species
- Reproductive isolation
- Common habitat
- Mutation
- Chromosomal aberration
The thick filament which is 16nm in diameter, is composed of
- Actin
- Tropomyosin
- Myosin
- Troponin
What is the colour of Chlorophyll-A molecules
- Bluish green
- Dark Green
- Yellowish green
- Reddish green
In how many stages is the HIV infection process divided
- 2
- 3
- 4
- 1
Lactic acid accumulation in skeletal muscle cell causes:
- Muscular atrophy
- Muscle cramp
- Muscle fatigue
- Muscle tetany
Which cell type does not have histone with DNA to make chromosome
- Plant cell
- Animal cell
- Bacterial cell
- Fungal cell
HIV belongs to which group of the viruses
- RNA tumor virus
- DNA enveloped virus
- Protein tumor virus
- DNA virus
Upon hydrolysis cellulose yields:
- A trisaccharide celled as cellubiose
- A monosaccharide called as galactose
- A disaccharide celled as cellubiose
- A disaccharide called celled as maltose
Tristearin is a/an:
- Enzyme
- Amino acid
- Protein
- lipid
After ovulation the ruptured follicle is transformed into a glandular mass called:
- Corpus luteum
- Graafian follicle
- Primary follicle
- Corpus allatum
What are capsomeres composed of
- Protein
- Lipid
- Carbohydrate
- Lipoprotein
Which of the following is responsible for producing “LUB DUB” sound of the Heart
- Contraction of atria
- Contraction of ventricles
- Contraction of muscles
- Closing of valves in heart
Which of the following is incorrect about lungs
- Encased in pleura
- Occupy intra thoracic cavity
- Slightly unequal in size
- Respiratory organ of all organisms
The different members of colonies in coelenterates which perform different functions are
- Workers
- Drones
- Zooids
- Zooplanktons
The largest group of animal kingdom is
- Mammals
- Mollusca
- Arthropoda
- Nematode
With reference to female reproduction, exchange of which material in non placental
- Wastages
- Gases
- Nutrients
- Blood
During muscle contraction, troponin binds to all of following EXCEPT:
- Actin
- Calcium
- Tropomyosin
- Myosin
Which one is chemotherapeutic agents to destroy and stop the growth of bacterium
- Penicillin
- Spirit
- Sulphuric acid
- Phenol
The butterfly shaped central pan of the spinal cord a composed of special structure known as
- Grey Matter
- White Matter
- Both Grey b White Matter
- Neuroglial protein
Cerebrospinal Fluid (CSF) a found between
- Arachnoid and pia matter
- Pia and dura matter
- Cranium and dura matter
- Dura and arachnoid matter
Which is the function associated with Golgi apparatus
- Modification of proteins and lipids
- Nerve impulse transmission
- Protein synthesis
- Detoxification of drugs
Casparian strips are present in
- Endodermis
- Pericycle
- Epidermis
- Cortex
Among _____ substances are water acids. bases and salts
- Chemical
- Organic
- Physical
- Inorganic
How many valves are present in a human heart
- 6
- 2
- 4
- 3
Plasma membrane is
- Radially symmetrical
- Biradially symmetrical
- Asymmetrical
- Bilaterally symmetrical
Catastrophism was explained by
- Darwin
- Wallace
- Malthus
- Cuvier
Which of the following virus is classified as ssDNA virus
- Mild rash virus
- Small pox virus
- Diarrhea virus
- Rubella virus
Lipoprotein membranes containing various enzymes and F1 particles make
- Matrix
- Forming face
- Cisternae
- Crista
Which of the following is a product of neurosecretory cells
- Corticosterone
- Thyroxine
- Vasopressin
- Aldosterone
The temperature at which inactive enzyme regains its function is called as:
- Optimum temperature
- Favourable temperature
- Minimum Temperature
- Maximum temperature
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