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MCQOPTIONS
This section includes 1489 Mcqs, each offering curated multiple-choice questions to sharpen your 8th Class knowledge and support exam preparation. Choose a topic below to get started.
| 151. |
Two boys X and Y throw balls of equal mass and size towards each other. On the way the balls collide with each other and get stick together, come to rest. The collision is called: |
| A. | Elastic collision |
| B. | Inelastic collision |
| C. | Head on collision |
| D. | All of these |
| E. | None of these |
| Answer» B. Inelastic collision | |
| 152. |
The length of the vocal Cords is maximum for |
| A. | man |
| B. | Woman |
| C. | boy |
| D. | girl |
| Answer» B. Woman | |
| 153. |
Which one of the following material is obtained when coal is strongly heated in the absence of air? |
| A. | Coke |
| B. | Petroleum |
| C. | Coal tar |
| D. | Both A and B |
| E. | Both A and C |
| Answer» F. | |
| 154. |
According to the law of electrostatics, |
| A. | a charged body attracts similar charged bodies but repels uncharged bodies. |
| B. | a charged body attracts bodies carrying similar charge and repels bodies possessing opposite charge. |
| C. | a charged body repels bodies possessing similar charge and attracts bodies with opposite charge |
| D. | a charged body attracts all types o charged bodies. |
| Answer» D. a charged body attracts all types o charged bodies. | |
| 155. |
An echo is heard after 0.8 s, when a person fires a cracker 132.8 m from a high building. What is the speed of sound? |
| A. | 315 m/s |
| B. | 332 m/s |
| C. | 320 m/s |
| D. | 310 m/s |
| Answer» C. 320 m/s | |
| 156. |
The zone of earth's crust which is prone to earthquake's is called: |
| A. | Richter zone |
| B. | Seismic zone |
| C. | Epicentre zone |
| D. | Core zone |
| E. | None of these |
| Answer» C. Epicentre zone | |
| 157. |
The following constellation is present in which of the following galaxies? |
| A. | Whirlpool galaxy |
| B. | Milky way galaxy |
| C. | Starburst galaxy |
| D. | Andromeda galaxy |
| E. | None of these |
| Answer» C. Starburst galaxy | |
| 158. |
Choose the correct option for labelling the given figure of an earthquake. |
| A. | (a - focus), (b - epicentre), (c - seismic waves), (d - crust of earth). |
| B. | (a - seismic waves), (b - epicentre), (c - focus), (d - crust of earth). |
| C. | (a - crust of earth), (b - epicentre), (c - focus), (d - seismic waves). |
| D. | (a - crust of earth), (b - focus), (c - epicentre), (d - seismic waves). |
| E. | None of these |
| Answer» D. (a - crust of earth), (b - focus), (c - epicentre), (d - seismic waves). | |
| 159. |
Which of the following is NOT true of the process of reproduction? |
| A. | Unicellular organisms cannot reproduce. |
| B. | Reproduction is the process of producing young animals or plants. |
| C. | Reproduction is one of the life processes of living things. |
| D. | Reproduction is of two types, sexual and asexual reproduction. |
| Answer» B. Reproduction is the process of producing young animals or plants. | |
| 160. |
Which of the following sequences is in the correct order? |
| A. | Zygote \[\to \] Embryo \[\to \] Foetus \[\to \] Baby |
| B. | Zygote \[\to \] Embryo \[\to \] Baby \[\to \] Foetus |
| C. | Embryo\[\to \] Zygote \[\to \] Baby \[\to \] Foetus |
| D. | Foetus \[\to \] Zygote \[\to \] Embryo \[\to \] Baby |
| Answer» B. Zygote \[\to \] Embryo \[\to \] Baby \[\to \] Foetus | |
| 161. |
Identify W, X, Y and Z in the given figure. |
| A. | (W) (X) (Y) (Z) Placenta Foetus Amniotic fluid Foetal membrane |
| B. | (W) (X) (Y) (Z) Umbilical cord Embryo Uterus Vagina |
| C. | (W) (X) (Y) (Z) Placenta Foetus Uterus Foetal membrane |
| D. | (W) (X) (Y) (Z) Umbilical cord Zygote Amniotic fluid Cervix |
| Answer» B. (W) (X) (Y) (Z) Umbilical cord Embryo Uterus Vagina | |
| 162. |
Which of the following statements about the human female egg cell is incorrect? |
| A. | It is produced when a female reaches puberty. |
| B. | The two ovaries in a female alternately produce the egg cells. |
| C. | One egg cell is usually produced by a female every 28 days. |
| D. | An egg cell can live in the body of a female for about a month. |
| Answer» E. | |
| 163. |
How many ova is/are released at a time in the female human being? |
| A. | 4 |
| B. | 3 |
| C. | 2 |
| D. | 1 |
| Answer» E. | |
| 164. |
In which of the following organisms does internal fertilization occurs? |
| A. | Bird and fish |
| B. | Snake and frog |
| C. | Rabbit and frog |
| D. | Snake and Rabbit |
| Answer» E. | |
| 165. |
Which of the following organs contain graafian follicles? |
| A. | Fallopian tube |
| B. | Uterus |
| C. | Vagina |
| D. | Ovary |
| Answer» E. | |
| 166. |
Which of the following terms is used to describe the mass of eggs of a frog? |
| A. | Follicles |
| B. | Ostium |
| C. | Spawn |
| D. | Both (A) and (B) |
| Answer» D. Both (A) and (B) | |
| 167. |
Identify the process shown below. |
| A. | Fission |
| B. | Fertilization |
| C. | Conjugation |
| D. | Ovulation |
| Answer» C. Conjugation | |
| 168. |
Which of the following is an oviparous mammal? |
| A. | Echidna |
| B. | Kangaroo |
| C. | Rabbit |
| D. | Bat |
| Answer» B. Kangaroo | |
| 169. |
Which part within the uterus prevents the mixing of the blood of the foetus with that of the mother? |
| A. | Umbilical cord |
| B. | Uterus wall |
| C. | Placenta |
| D. | Water sac |
| Answer» D. Water sac | |
| 170. |
Which of the following statements are correct about menstrual cycle? |
| A. | A girl who has reached puberty will menstruate throughout her life. |
| B. | Menstruation occurs every 28 days |
| C. | During every menstrual cycle, one mature ovum will be released by the ovary. |
| D. | Both (B) and (C) |
| Answer» E. | |
| 171. |
Which of the following is/are present in the milt of frog? |
| A. | Embryo |
| B. | Ovum |
| C. | Spermatozoa |
| D. | Both (A) and (C) |
| Answer» D. Both (A) and (C) | |
| 172. |
Which of the following organisms contains ampluxory pads that help in copulation? |
| A. | Earthworm |
| B. | Frog |
| C. | Fish |
| D. | Butterfly |
| Answer» C. Fish | |
| 173. |
AIDS is a deadly disease which is caused by |
| A. | a protozoan. |
| B. | a fungus. |
| C. | a bacterium. |
| D. | a virus. |
| Answer» E. | |
| 174. |
Which of the following organisms reproduces asexually? |
| A. | Protozoa |
| B. | Frog |
| C. | Lizard |
| D. | Housefly |
| Answer» B. Frog | |
| 175. |
Which of the following is the function of substance that is secreted bv cowper's gland? |
| A. | Protecting sperms |
| B. | Serving as a lubricant |
| C. | Turning the semen alkaline |
| D. | Helping the sperm in penetrating the ovum |
| Answer» C. Turning the semen alkaline | |
| 176. |
Which of the following are found in high concentrations in the blood that passes from the placenta to the foetus? |
| A. | Urea and carbon dioxide |
| B. | Urea and glucose |
| C. | Carbon dioxide and antibiotics |
| D. | Oxygen and amino acids |
| Answer» E. | |
| 177. |
Which of the following is correct of implantation? |
| A. | Attachment of the blastocyst to the uterine wall |
| B. | Release of ovum from the follicle |
| C. | Development of an embryo without fertilization |
| D. | Formation of ova from germ cells |
| Answer» B. Release of ovum from the follicle | |
| 178. |
B Which of the following is NOT an example of asexual reproduction? |
| A. | Reproduction in hydra |
| B. | Reproduction in amoeba |
| C. | Reproduction in bacteria |
| D. | Reproduction in butterfly |
| Answer» E. | |
| 179. |
Which of the following is an unpaired structure in the human reproductive system? |
| A. | Ovary |
| B. | Testes |
| C. | Fallopian tube |
| D. | Uterus |
| Answer» E. | |
| 180. |
In which of the following organs sperms mature? |
| A. | Testes |
| B. | Epididymis |
| C. | Vasdeferns |
| D. | Cowper's glands |
| Answer» C. Vasdeferns | |
| 181. |
Which of the following organs contains seminiferous tubules? |
| A. | Kidney |
| B. | Ovary |
| C. | Testes |
| D. | Brain |
| Answer» D. Brain | |
| 182. |
Which of the following structures has an internal wall lined with fingerlike projections? |
| A. | Ovary |
| B. | Vagina |
| C. | Fallopian tube |
| D. | Uterus |
| Answer» D. Uterus | |
| 183. |
Which of the following shows the correct route, that the sperm takes after leaving the testis? |
| A. | Epididymis - vas deferens - ejaculatory duct - urethra. |
| B. | Vas deferens - epididymis - urethra - ejaculatory duct. |
| C. | Ejaculatory duct - epididymis ? vas deferens - urethra. |
| D. | Epididymis - vas deferens - urethra - ejaculatory duct. |
| Answer» B. Vas deferens - epididymis - urethra - ejaculatory duct. | |
| 184. |
Which of the following is called the larva of a frog? |
| A. | Nymph |
| B. | Tadpole |
| C. | Caterpillar |
| D. | Fry |
| Answer» C. Caterpillar | |
| 185. |
Which of the following processes refers to the casting away of the skin by a caterpillar to allow a larger caterpillar to emerge? |
| A. | Metamorphosis |
| B. | Chrysalis |
| C. | Moulting |
| D. | Development |
| Answer» D. Development | |
| 186. |
How many cells are formed as a result of binary fission? |
| A. | 2 |
| B. | 3 |
| C. | 1 |
| D. | 4 |
| Answer» B. 3 | |
| 187. |
Which of the following is NOT a characteristic feature of sexual reproduction? |
| A. | It involves the fusion of two reproductive cells. |
| B. | It is common in most organisms. |
| C. | Fertilization may take place inside or outside the body of the female. |
| D. | The offspring receives its characteristics from one parent only. |
| Answer» E. | |
| 188. |
Which of the following labelled stages grow within a case during development? |
| A. | P |
| B. | Q |
| C. | R |
| D. | S |
| Answer» D. S | |
| 189. |
The substances that are transported through umbilical cord |
| A. | Urea. |
| B. | Antibodies. |
| C. | Carbon dioxide |
| D. | All of these |
| Answer» E. | |
| 190. |
What is the function of the amniotic fluid? |
| A. | It provides food to the foetus. |
| B. | It provides oxygen to the foetus. |
| C. | It protects the foetus from shock. |
| D. | It protects the foetus from diseases. |
| Answer» D. It protects the foetus from diseases. | |
| 191. |
Read the given information and identify P, Q and R. P - An ovum is discharged by the ovary Q - An embryo is Implanted in the uterus R - The fusion of mate and female gametes takes place |
| A. | (P) (Q) (R) Ovulation Implantation Fertilization |
| B. | (P) (Q) (R) Fertilization Implantation Ovulation |
| C. | (P) (Q) (R) Ovulation Fertilization Implantation |
| D. | (P) (Q) (R) Implantation Ovulation Fertilization |
| Answer» B. (P) (Q) (R) Fertilization Implantation Ovulation | |
| 192. |
Identify R, S and T in the given figure. |
| A. | (R) (S) (T) Ovulation Fertilization Implantation |
| B. | (R) (S) (T) Fertilization Ovulation Implantation |
| C. | (R) (S) (T) Ovulation Implantation Fertilization R - ovulation, S - implantation and T - fertilization. |
| D. | (R) (S) (T) Implantation Fertilization Ovulation |
| Answer» D. (R) (S) (T) Implantation Fertilization Ovulation | |
| 193. |
In which of the following parts of the female reproductive system does fertilization occur? |
| A. | Ovary |
| B. | Vagina |
| C. | Uterus |
| D. | Fallopian tube |
| Answer» E. | |
| 194. |
How are Paramecium and Amoeba are similar? |
| A. | Unicellular. |
| B. | Does not have a nucleus. |
| C. | Reproduces by binary fission. |
| D. | Both (A) and (C) |
| Answer» E. | |
| 195. |
Which of the following is/are types of asexual reproduction? |
| A. | Budding |
| B. | Binary fission |
| C. | Spore formation |
| D. | All the above |
| Answer» E. | |
| 196. |
Which of these organisms reproduce in the same way as yeast? |
| A. | Hydra |
| B. | Amoeba |
| C. | Starfish |
| D. | Flatworm |
| Answer» B. Amoeba | |
| 197. |
Which of the following statements is true about asexual reproduction? |
| A. | New individuals are produced without the fusion of gametes. |
| B. | New individuals involves the fusion of male and female gametes. |
| C. | It is a mode of reproduction which occurs only in plants. |
| D. | New individuals are produced by the fusion of dissimilar gametes. |
| Answer» B. New individuals involves the fusion of male and female gametes. | |
| 198. |
Refer to the given figure and select the labelled part where implantation of fertilised ovum takes place. |
| A. | P |
| B. | Q |
| C. | R |
| D. | S |
| Answer» D. S | |
| 199. |
Read the given statements. (i) IVF is a treatment for infertility when a woman is able to produce ovum however, problems of the Fallopian tube make fertilisation difficult. (ii) Asexual reproduction is a rapid and easier method of multiplication. (iii) Unicellular organisms reproducing by binary fission are referred to as 'immortals' because actual death of the parent does not occur. (iv) Metamorphosis is the transformation of an adult animal to larval form. Which of the given statements are correct? |
| A. | (ii) and (iv) only |
| B. | (ii), (iii) and (iv) only |
| C. | (i), (ii) and (iii) only |
| D. | (i), (ii), (iii) and (iv) |
| Answer» D. (i), (ii), (iii) and (iv) | |
| 200. |
Pick the odd one out from each series given below and select the correct option.(i) Scrotum, Epididymis, Seminal vesicle, Fallopian tube(ii) Uterus, Cervix, Vagina, Testis(iii) Cow, Dog, Cat, Sparrow |
| A. | (i)(ii)(iii)Fallopian tubeTestisSparrow |
| B. | (i)(ii)(iii)EpididymisCervixDog |
| C. | (i)(ii)(iii)ScrotumVaginaCow |
| D. | (i)(ii)(iii)Seminal vesicleUterusCat |
| Answer» B. (i)(ii)(iii)EpididymisCervixDog | |