10th GSEB Science and Technology MCQ Test 2
Quiz
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- When Mendel crossed Tall plant with Dwarf plant what was the ratio of dwarf plants in F2 generation ?
- 35%
- 20%
- 25%
- 30%
- Cerebellum medulla oblongata and pons are the parts of ..........
- mid- brain
- Right-brain
- Left-brain
- hind-brain
- In human being sex is determined by ................
- Tissues
- All
- Cell
- Genes
- Which of the following always form virtual image?
- convex mirror and concave lens
- concave mirror and convex lens
- convex mirror and convex lens
- concave mirror and concave lens
- The kidneys in human being are part of the system for?
- Excretion
- Nutrition
- Transportation
- Respiration
- In asexual reproduction two offspring's having the same genetic material and the same body features are called.........
- clones
- twins
- All
- callus
- During which process blood is filtered out in Bowman's capsule?
- Filtration
- Alturation
- Secretion
- Ultrafiltration
- How many molecules of ozone can be decomposed by one atom of chlorine ?
- 10,00,000
- 10,000
- 1,000
- 1,00,000
- Which functional group is present in Carboxylic acid?
- -OH
- -HCO
- -COH
- -COOH
- During which process blood is filtered out in Bowman's capsule?
- Reassertion
- Secretion
- All
- Ultra filtration
- What is called the solution of ethanol containing 5% water?
- Vinegar
- Perfume
- Varnish
- Rectified spirit
- All the four chambers of heart are separated from each other by .............
- Veins
- Valves
- Arteries
- Septa
- The stimulus in the process of thigmotropism is ...................
- touch
- light
- Thick
- weight
- The magnitude of an AC voltage used in India is ………and the frequency is ………...
- 220V, 60Hz
- 110V, 50Hz
- 110V, 60Hz
- 220V, 50Hz
- Matter in the core region of the sun is in .......... state.
- gaseous
- Mix
- liquid
- solid
- The spinal cord originates from..................
- pons
- medulla oblongata
- cerebrum
- cerebellum
- How many National Parks are there in Gujarat ?
- 6
- 8
- 3
- 4
- Which of the following endocrine gland does not occur as a pair in the human body?
- pituitary
- testis
- adrenal
- ovary
- Diameter of hydrogen atom is …………. nm.
- 0.1
- 10
- 1.0
- 0.01
- A multicellular organism which reproduces by budding is ................
- Amoeba
- Pharma
- None
- Hydra
- Which functional group is possessed by carboxylic acid?
- - CHO
- - OH
- - COOH
- - COH
- What type of substance is NH3 ?
- Strong acid
- Strong base
- Weak base
- Weak acid
- Which of the following are primary pigments?
- magenta, yellow and cyan
- red, green and yellow
- yellow, green and magenta
- All
- The length of small intestine in a human adult is about .......... m.
- 6.5
- 1.6
- 5.6
- 6.1
- Water gas is the mixture of which gases?
- Carbon monoxide and Carbon dioxide
- Carbon dioxide and hydrogen
- Carbon and Hydrogen
- Carbon monoxide and hydrogen
- What is the excretory unit in human being?
- None
- Kidney
- Nephron
- Urinary bladder
- Whose magnetic filed is like a magnetic filed of a bar magnet?
- Current carrying solenoid
- Current carrying ring
- Current carrying wire
- All
- What is prepared by Fisher-Tropsch method?
- Acetone
- Acetic acid
- Acetaldehyde
- Ethanol
- Which formula is correct?
- Mole = molecular mass/weight
- Mole = weight/molecular mass
- Mole = molecular mass/height
- Mole = height/molecular mass
- If the pH of aqueous solution A, B, C and O are 1.9, 2.5, 2.1 and 3.0 then what will be the order of acidity?
- O < B < C < A
- O < C <B < A
- O > C > B >A
- A < C < B < O
- Which coloured light has minimum velocity in the glass prism?
- yellow
- Red
- cyan
- violet
- Thermal conductivity of standard SWNT along Its length is ………… watt/m.k.
- 3500
- 35
- 35000
- 350
- The most important compound which accounts for almost 80% of the total depletion of ozone layer is ................
- chloride ion
- magnesium ion
- carbon ion
- iron ion
- What is the angle between any two covalent bonds in methane molecule?
- 1190 28'
- 1050 54'
- 1090 28'
- 1900 28'
- C2 H6 is the molecular formula of which compound?
- Methane
- None
- Ethane
- Propane
- Which of the following is an example of non-biodegradable waste?
- Polythene
- Food
- Fruits
- Vegetables
- The spinal cord originates from ...............
- Cerebrum
- Pons
- Cerebellum
- Medulla oblongata
- In Gujarat how much area is covered by forest?
- 6.69 %
- 9.66 %
- 6.99 %
- 9.69 %
- An alga which reproduces by the asexual reproduction method called fragmentation is ..............
- Salmonella
- Ruinous
- Spirogyra
- Plasmodium
- From where the process of digestion of food starts in human being?
- Small intestine
- Big intestine
- Stomach
- Mouth
- Which component obtained from refining of petroleum is used as Solvent in petrochemicals ?
- Tar
- Kerosene
- Petrol
- Naphtha
- Edaphic factors are included in .................
- biotic components
- antibiotic components
- antiseptic components
- abiotic components
- The structural and functional unit of the environment is known as ..............
- food chain
- None
- ecosystem
- environmental system
- Which of the following monomers is in polythene?
- H2O = H2O
- COOH = COOH
- CH3 = CH3</sub
- CH2 = CH2</sub
- The Continuity of features from one generation to another is for?
- Heredity
- Body System
- Generation
- Revolution
- The cut part of plant stem which is used in the process of grafting is .............
- Cutting
- stock
- Participating
- Making
- Which of the following substance is hygroscopic?
- Anhydrous calcium chloride
- Feldspar
- All
- Crinoline
- Transfer of which substance in the phloem tissue increases osmotic pressure?
- Sucrose
- Sugure
- Water
- Glucose
- Where is tricuspid value found in human heart ?
- between two ventricles
- between right atrium and, right ventricle
- between two atria
- between left atrium and left ventricle
- In human digestive system, the enzymes pepsin and try sin are secreted respectively by which organs?
- Stomach and Mouth
- Stomach and livers
- Stomach and salivary glands
- Stomach and pancreas
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