1 MARKS QUESTIONS
1. A farmer floods his field everyday thinking that watering in this manner will result a better yield of his wheat crop. What will be the result of this action of the farmer. Ans.This will result in water logging of the soil due to which roots cannot breathe and ultimately plants will die . 2. Name the term for transport of food from leaves to other parts of plants. Ans.Translocation 3. Which pancreatic enzyme is effective in digesting proteins? Ans.Trypsin 4. Which enzyme is present in saliva breaks down starch? Ans.Salivary amylase. 5. After a vigorous exercise you may experience cramps in your leg muscles. Why does this happen? Ans.Accumulation of lactic acid 6. Name the organelle in which photosynthesis occurs. Ans.Chloroplast. 7. Name the type of blood vessels which carry blood from organs to the heart. Ans.Veins. 8. Name the respiratory structures of i.Mosquito ii)earth worm. Ans.i) mosquito—System of air tubes. ii)earth worm—moist skin. 9. Write the two functions of kidneys. Ans. Osmoregulation and excretion. 10. What are spiracles. Ans The holes found on the lateral side of insect‘s body.X
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CBSE X CONSTRUCTIONS (Maths) Division of a Line Segment ,Construction of Tangents to a Circle,To construct a triangle similar to a given triangle as per given scale factor,To construct the tangents to a circle from a point outside it. You will learn to do the following constructions : 1. To divide a line segment in a given ratio. 2. To construct a triangle similar to a given triangle as per given scale factor which may be less than or may be greater than 1. 3. To construct tangent at a point on a given circle. 4. To construct the pair of tangents from an external point to a circle Q. Draw a circle of radius 3.2 cm. Take a point P on this circle and draw a tangent at P.(using the centre) Given: Radius of the circle = 3.2 cm.
Steps of construction(i) With O as the centre draw a circle of radius 3.2 cm. (ii) Take a point P on the circle and join OP. (iii) Draw an arc of a circle with centre at P cutting OP at L. (iv) Mark M and N on the arc such that m(arc L M ) = m(arcMN) (v) Draw the bisector PT of the angle <MPN (vi) Produce TP to Tlto get the required tangent T'PT. 10th Geometry topic -Construction [Guess Question paper for CBSE Board] Download File JSUNIL TUTORIAL, SAMASTIPUR 10TH CARBON AND COMPOUND MCQ
Q1. Which of the following is not a saturated hydrocarbon ? i) Cyclohexane. ii) Benzene. iii) Butane iv) isobutene Q2.The bond between two identical non metallic atom has a pair of electron ? i) unequally shared between two atoms. ii) Transferred completely from one atom to another. iii) With identical spins iv) Unequally shared between them. Q3. Covalent compounds are generally i) Soluble in water ii) Insoluble in water iii) Ionize in water iv) Hydrolyse in water Q4. Propane with the molecular formula C3H8 has i)7covalent bonds ii)8 covalent bonds iii)9 covalent bonds iv) 10 Covalent bonds. Q5. A hydrocarbon reacts with ammonical cuprous chloride solution to form a red precipitate . The hydrocarbon is i)ethane ii)ethene iii)butane iv)1-propyne Q6.Which of the following substance is added to denature Ethanol ? i)methanol ii)pyridine iii)copper sulphate iv)all of them Q7. Which of the following is not an allotropic form of carbon i)fluorine ii)fullerene iii)diamond iv)graphite Download full paper Visit
The Human Eye and Colorful World FA - III (PAPER Pen Test)
Section A Multiple choice questions: - 1. When we enter a cinema hall, we cannot see properly for a short time. This is because-a) Pupil does not open b) Pupil does not close c) Adjustment of size of pupil takes some time d) None of these above Ans: (c) 2. The property of persistence of vision is used in- a) Short sightedness b) Long sightedness c) Cinematography d) Colour vision Ans: (c)3. Variable focal length of eye is responsible for- a) Accommodation of eye b) Persistence of vision c) Colour blindness d) Least distance of distinct vision Ans: (a)4. A concave lens of suitable focal length is used for correcting a- a) Myopic eye b) Hypermetropic eye c) Both a and b d) nor a nor b Ans: (a)5. Splitting of white light into seven colours on passing through the glass prism is called-a) Reflection b) Refraction c) Scattering d) Dispersion Ans: (d) Section B 1. A person with a myopia eye cannot see objects beyond a distance of 1.5m. What would be the power of corrective lens? Which type of lens is used? (2) 2. What do you understand by myopia? Write two causes of it? (2) 3. What do you mean by far point and near point of eye? (2) 4. What is presbyopia? State the causes of it and How is it corrected? (3) 5. Explain: (3) 1) Why does sky look blue on a clear day 2) Twinkling of stars. 6. What is Hypermetropia? State two causes of Hypermetropia with help of ray diagrams show i) The eye defect hypermetropia. ii) Correction of Hypermetropic by using a lens. :(5 mks) Read and download 10th Human eyes and Colorful World (Sure shot For CBSE Board Examination) 10th Human eyes and Colorful World (Sure shot Test paper and Sample paperFor CBSE Board Examination) |
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