MCQOPTIONS
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MCQOPTIONS
This section includes 5751 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1001. |
After delivery mammary gland start producing milk, In milk which necessary substance is present for immunity ? |
| A. | Lactose |
| B. | Protein |
| C. | Fat |
| D. | Antibodies |
| Answer» E. | |
| 1002. |
Match Column-I and Column-II correcty and choose the right answer. |
| A. | P-iii, Q-iv, R-ii, S-i |
| B. | P-ii, Q-i, R-iv, S-iii |
| C. | P-iii, Q-iv, R-i, S-ii |
| D. | P-iv, Q-iii, R-i, S-ii |
| Answer» D. P-iv, Q-iii, R-i, S-ii | |
| 1003. |
Which hormones are not produced by placenta ? |
| A. | hcG |
| B. | hpL |
| C. | estrogens |
| D. | relaxin |
| Answer» E. | |
| 1004. |
Which is the Hot spot of India ? (AIPMT – 2006) |
| A. | Gangatic plain |
| B. | Western Ghat |
| C. | Eastern Ghat |
| D. | Arravali mountain |
| Answer» C. Eastern Ghat | |
| 1005. |
Which type of information is obtained form Red-List ? (Kerala – 2002) |
| A. | Red coloured fishe |
| B. | Red eyed birds |
| C. | Endangered plants and animals |
| D. | Red coloured insects |
| Answer» D. Red coloured insects | |
| 1006. |
Which is the Hotspot region ? (PMT 2005) |
| A. | Region which is having volcanoes |
| B. | Region which is having possibility of earth quake |
| C. | Coastal region which is having species diversity |
| D. | Region which is having Tsunami |
| Answer» D. Region which is having Tsunami | |
| 1007. |
Which animal is remnant gene pool in the world ? |
| A. | Flamingo |
| B. | Painted Frog |
| C. | Wild ass |
| D. | Spring tailed Lizard |
| Answer» D. Spring tailed Lizard | |
| 1008. |
Animals and plants are used as a food that means..... |
| A. | Destruction value of biodiversity |
| B. | Utility value of biodiversity |
| C. | Ecosystem services |
| D. | all the given |
| Answer» B. Utility value of biodiversity | |
| 1009. |
At which place animals and plants are most protected ? |
| A. | Botanical garden |
| B. | National Park |
| C. | Zoos |
| D. | Sanctuary |
| Answer» C. Zoos | |
| 1010. |
Find odd one out :- |
| A. | Project Elephant |
| B. | Tiger Project |
| C. | Gir Lion Project |
| D. | Project Wild ass |
| Answer» E. | |
| 1011. |
Which is included in types of biodiversity ? (AMU – 2004) |
| A. | Gene |
| B. | Species |
| C. | Ecosystem |
| D. | All the given |
| Answer» E. | |
| 1012. |
Which is the main cause of extinction of wild life ? (CBSE – 1999) |
| A. | Destruction of habitat |
| B. | Hunting for flesh |
| C. | Pollution of medicine and water |
| D. | All the given |
| Answer» B. Hunting for flesh | |
| 1013. |
For which animal Gir National Park is famous ? (BV-2001) |
| A. | Tiger |
| B. | Asiatic Lion |
| C. | Leopard |
| D. | Deer |
| Answer» C. Leopard | |
| 1014. |
Which is true for wild life conservation ? (CPMT – 2002) |
| A. | Hunting of prey |
| B. | ex-situ conservation |
| C. | In-situ conservation |
| D. | B and C both |
| Answer» E. | |
| 1015. |
What is called the area which is remain around the core zone of biosphere region ? (HPPMT 2006) |
| A. | Buffer |
| B. | Transition zone |
| C. | Developed zone |
| D. | Peripherial zone |
| Answer» B. Transition zone | |
| 1016. |
Where Mangroves forest found ? (Orissia – 2003) |
| A. | Dry region |
| B. | Coastal region |
| C. | Open area |
| D. | tropical region |
| Answer» C. Open area | |
| 1017. |
Which one is correct for individual of the same species ? |
| A. | Population |
| B. | Biotic Community |
| C. | Ecosystem |
| D. | All the given |
| Answer» B. Biotic Community | |
| 1018. |
Find odd one out : |
| A. | Nanda devi |
| B. | Great Nicobar |
| C. | Mannar |
| D. | Thar |
| Answer» E. | |
| 1019. |
For which animal Project Gir is famous ? (AIIMS 1996) |
| A. | Elephant |
| B. | Hangul |
| C. | Tiger |
| D. | Lion |
| Answer» E. | |
| 1020. |
MAB means …....................... (CBSE 1997) |
| A. | Man and biosphere programme |
| B. | Mammal and biological programme |
| C. | Mammal and biosphere programme |
| D. | Men and biological programme |
| Answer» B. Mammal and biological programme | |
| 1021. |
Which is the example of ex-situ conservation ? (Orrisa – 2002) |
| A. | National park |
| B. | Sanctuary |
| C. | Biosphere reserve |
| D. | Zoo |
| Answer» E. | |
| 1022. |
In which zone there is no disturbance. (AFMC-2002) |
| A. | Buffer zone |
| B. | Core Zone |
| C. | Transition zone |
| D. | All the given |
| Answer» C. Transition zone | |
| 1023. |
Who publish Red-list ? (KCET 1997) |
| A. | WWF |
| B. | IUCN |
| C. | MAB |
| D. | IBWL |
| Answer» C. MAB | |
| 1024. |
Where is the genes of rare plants species to stored ? (AIPMT 2000) |
| A. | Gene bank |
| B. | Gene Library |
| C. | Herberium |
| D. | none of them |
| Answer» B. Gene Library | |
| 1025. |
Which one is protected in national park ? (Maharashtra CET – 2008) |
| A. | Micro organism |
| B. | Only plants |
| C. | Plants and animals |
| D. | None |
| Answer» D. None | |
| 1026. |
Which cells secrete the enzymes for make implantation of embryo possible ? |
| A. | Trophoblast |
| B. | Blastomere |
| C. | Outer layer of uterus |
| D. | Outer layer of blastocyst |
| Answer» B. Blastomere | |
| 1027. |
In oogenesis which substance are present in primary oocyte of growth phase |
| A. | Fat and protein |
| B. | DNA, RNA |
| C. | ATP and enzyme |
| D. | Above all |
| Answer» E. | |
| 1028. |
During movement of zygote into oviduct the division of zygote in 2 to 16 daughter cells. This process called |
| A. | Cleavage |
| B. | Gastrulation |
| C. | Morula |
| D. | (a) and (b) both |
| Answer» B. Gastrulation | |
| 1029. |
What time is taken by the sperm emptied in vagina, to move toward uterus ? |
| A. | 4 to 5 hr |
| B. | 5 to 6 hrs |
| C. | 3 to 4 hrs |
| D. | 2 to 3 hrs. |
| Answer» C. 3 to 4 hrs | |
| 1030. |
In menstrual cycle on which days rises progesterone levels ? |
| A. | 1 to 5 day |
| B. | 6 to 14 days |
| C. | 14 to 15 days |
| D. | 15 to 28 days |
| Answer» E. | |
| 1031. |
What time period is required to form blastocyst ? |
| A. | One week |
| B. | 8 days |
| C. | two week |
| D. | 9 days |
| Answer» B. 8 days | |
| 1032. |
When sperm penetrate secondary oocyte during its unequal meioticdivision, how many polar body(bodies) is are produced ? |
| A. | One |
| B. | Two |
| C. | Three |
| D. | None of this |
| Answer» D. None of this | |
| 1033. |
In menstrual cycle on which day ovulation occurs ? |
| A. | on 12th day |
| B. | on 13th day |
| C. | on 14th day |
| D. | on 15th day |
| Answer» D. on 15th day | |
| 1034. |
In oogenesis which cells are produced at the first division of primary oocyte in maturation phase ? |
| A. | Secondary oocyte |
| B. | First polar body |
| C. | Secondary polar body |
| D. | (a) and (b) both |
| Answer» E. | |
| 1035. |
After fertilization which changes prevents entry of other sperms in to the oocytes. |
| A. | Egg membrane |
| B. | Fertilization membrane |
| C. | Vitelline membrane |
| D. | (a) and (c) both |
| Answer» C. Vitelline membrane | |
| 1036. |
When fertilized ovum is convert into zygote ? |
| A. | On entry of sperm in ovum |
| B. | On entry of sperm in secondery pronucleus |
| C. | On fusion of male and female pronucleus |
| D. | After change into fertilization membrane |
| Answer» D. After change into fertilization membrane | |
| 1037. |
The sperms emptied in the vagina start moving towards oviducts through the uterus which is helpfulin their locomotion |
| A. | Contraction of uterine wall |
| B. | Contraction vagina passage |
| C. | The slimy secretion of oviduct wall |
| D. | All these |
| Answer» E. | |
| 1038. |
Which period is of the cycle is known as a proliferative phase ? |
| A. | 1 to 5 day |
| B. | 6 to 14 days |
| C. | 15 to 28 days |
| D. | 14 to 15 days |
| Answer» C. 15 to 28 days | |
| 1039. |
The events of menstrual cycle are comprised of .... days. |
| A. | 27 day |
| B. | 28 days |
| C. | 29 days |
| D. | 30 days |
| Answer» C. 29 days | |
| 1040. |
In fertilization which part of sperm enters the secondary oocyte ? |
| A. | Tail |
| B. | Head |
| C. | Middle part |
| D. | (b) and (c) both |
| Answer» E. | |
| 1041. |
The fluid within the blastocyst is formed by the cells of _______ ? |
| A. | Blastomere |
| B. | Trophoblast |
| C. | Iner layer of blastocyt |
| D. | None of this |
| Answer» C. Iner layer of blastocyt | |
| 1042. |
The embryo with 16 cells is called........ |
| A. | Blastocyst |
| B. | Blastomeres |
| C. | Morula |
| D. | Cleavage |
| Answer» D. Cleavage | |
| 1043. |
In oogenesis which cell body are concentrated in cytoplasm of primary oocyte of the growth phase ? |
| A. | Mitochondrial |
| B. | Golgicomplex |
| C. | Ribosomes |
| D. | Above all |
| Answer» E. | |
| 1044. |
In menstrual cycle which period is known as menstrual phase ? |
| A. | 1 to 5 day |
| B. | 6 to 14 days |
| C. | 15 to 28 days |
| D. | 14 to 15 days |
| Answer» B. 6 to 14 days | |
| 1045. |
In menstrual cycle during which days rising estrogen levels ? |
| A. | 1 to 5 day |
| B. | 6 to 14 days |
| C. | 14 to 15 days |
| D. | 15 to 28 days |
| Answer» C. 14 to 15 days | |
| 1046. |
In human normally what is the period of pregnancy ? |
| A. | 266 day |
| B. | 280 days |
| C. | 270 days |
| D. | 275 days |
| Answer» B. 280 days | |
| 1047. |
In oogenesis which cells are produced at the end of maultiplication phase ? |
| A. | Primary oocyte |
| B. | Secondary oocyte |
| C. | First polar body |
| D. | Secondary polar body |
| Answer» B. Secondary oocyte | |
| 1048. |
Which stage of cell at the time of ovulation. |
| A. | Secondary oocyte |
| B. | First polar body |
| C. | Secondary polar body |
| D. | Primary oocyte |
| Answer» B. First polar body | |
| 1049. |
Which the following regarding to examples of Keto sugar is not correctly? |
| A. | Fructose |
| B. | Ribulose |
| C. | Ribose sugar |
| D. | Dihydroxy acetose. |
| Answer» D. Dihydroxy acetose. | |
| 1050. |
The events of the menstrual cycle are the cyclic changes in the.... |
| A. | Endometrium |
| B. | Myometrium |
| C. | Epimetrium |
| D. | All of this |
| Answer» B. Myometrium | |