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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.
4201. |
In which of the following plant Bt toxin gene is expressed? |
A. | Bt cotton |
B. | Bt corn |
C. | Bt Bringal |
D. | All the above |
Answer» B. Bt corn | |
4202. |
Which therapy is used for modification of germ cells (sperms and eggs)? |
A. | sperm line therapy |
B. | Germ line therapy |
C. | Egg line therapy |
D. | Germ line gene therapy |
Answer» E. | |
4203. |
Which technology was used to produce human Insulin in E. coli ? |
A. | Gene therapy |
B. | Recombinant gene technology |
C. | Polymerase chain reaction |
D. | All the above |
Answer» E. | |
4204. |
In which therapy, vectors are used to introduce desired gene into the body of patients? |
A. | In vivo, gene therapy |
B. | Germ line therapy |
C. | Ex vivo gene therapy |
D. | Foreign gene therapy |
Answer» B. Germ line therapy | |
4205. |
Where from Bt toxin gene has been obtained? |
A. | plant |
B. | virus |
C. | Bacteria |
D. | Fungi |
Answer» D. Fungi | |
4206. |
The animals whose genome is altered by introduction of transgene is known as - |
A. | modified animal |
B. | Hybrid animals |
C. | cross breed animals |
D. | Transgenic animal |
Answer» E. | |
4207. |
Bt stands for - |
A. | Biotechnology |
B. | Bacteria tolerant |
C. | Bacillus thuringiensis |
D. | Bollworm toxin |
Answer» D. Bollworm toxin | |
4208. |
Edible marine fishes are |
A. | Hilsa, Pomfret, Catla |
B. | Catla, Mackerel, Mrigal |
C. | Sardin, Mackerel, Mrigal |
D. | Sardin, Pomfret, Mackerel |
Answer» E. | |
4209. |
The hybridization to obtain higher level of protein and minerals is.......... |
A. | Pasturization |
B. | Biofortification |
C. | Antibiosis |
D. | Symbiosis |
Answer» C. Antibiosis | |
4210. |
Which is corrcet for plant breeding. |
A. | Collection of variabilityselection of recombinationhybridization among parentstesting and commercilization of new cultivation. |
B. | Collection of variabilityselection of parentshybridization among parents selection of recombinationtesting and commercialization of new cultivation. |
C. | Selection of recombinationcollection of variabilityselection and hybridization of parentstesting and commercialization of new cultivation. |
D. | Selection of parentshybridization among parentscollection of variability selection of recombinationtesting and commercialization of new cultivation. |
Answer» C. Selection of recombinationcollection of variabilityselection and hybridization of parentstesting and commercialization of new cultivation. | |
4211. |
Callus is obtaind during which time in tissue cultare ? |
A. | 2 to 3 days |
B. | 2 to 3 months |
C. | 2 to 3 weeks |
D. | 2 to 3 hours |
Answer» D. 2 to 3 hours | |
4212. |
Which is improper pair ? |
A. | Breeding female honey bee - Worker |
B. | Non breeding female hoey bee - Worker |
C. | Breeding male honey bee - Drone |
D. | Breeding female honey bee - Queen |
Answer» B. Non breeding female hoey bee - Worker | |
4213. |
Which microorganism produces same quantity of protein per day ? |
A. | Spirokits helophylls |
B. | Methenogens |
C. | Methylophillus methylotrophs |
D. | Thermo acidophylls |
Answer» D. Thermo acidophylls | |
4214. |
Which method can be used for hybrid plantlet of interspecific ? |
A. | Embryo culture |
B. | Tissue culture |
C. | Suspension culture |
D. | Callus culture |
Answer» B. Tissue culture | |
4215. |
Which type of hybridization is done for mule ? |
A. | In breeding hybridization |
B. | Out breeding hybridization |
C. | Inter specific hybridization |
D. | Intra specific hybridization |
Answer» E. | |
4216. |
At temperature is carried for the explant in tissue cultare? |
A. | 02.4oc |
B. | 0.24oc |
C. | 024.0oc |
D. | 0240oc |
Answer» D. 0240oc | |
4217. |
Who is known as the father of modern bee science ? |
A. | Fahian |
B. | Kurian |
C. | Whenson |
D. | Huber |
Answer» E. | |
4218. |
Which sentence is not proper for the uses of single cell protein ? |
A. | Use as human or animal protein supplement |
B. | At’s utilization reduces enviornmental pollution |
C. | Use as a production of human gene |
D. | At has a high contens of protein, lipid, carbohycrate & vitamins |
Answer» D. At has a high contens of protein, lipid, carbohycrate & vitamins | |
4219. |
Which substance is twice amount of in maize hybrids. |
A. | Lysine |
B. | Leusine |
C. | Iso leusine |
D. | Glycine |
Answer» B. Leusine | |
4220. |
Cattle keepers are in center position in dairy industry because........ |
A. | They carries good varieties of cattles. |
B. | They prepare different type of milk products. |
C. | Their products are sold at national in dairy industry. |
D. | They have brought white revolution in dairy industry. |
Answer» B. They prepare different type of milk products. | |
4221. |
The plant tissue or organ that produce callus by division is called....... |
A. | Explant |
B. | Sepling |
C. | Embryo |
D. | Clone |
Answer» B. Sepling | |
4222. |
The cow contain 250 kg weight produce how much protei=n per day. |
A. | 250 gm |
B. | 250 kg |
C. | 200 gm |
D. | 200 kg |
Answer» D. 200 kg | |
4223. |
In which method rotary shaker is used ? |
A. | Embryo culture |
B. | Biofortification |
C. | Suspension culture |
D. | Symbiosis |
Answer» E. | |
4224. |
In which plant the seeds do not contain stored food ? |
A. | Atropa beladona |
B. | Canbis sataiva |
C. | Orchids |
D. | Opium |
Answer» D. Opium | |
4225. |
Where Imperial Veterinary Research Institute is located ? |
A. | New delhi |
B. | Izatnagar |
C. | Channai |
D. | Kolkata |
Answer» C. Channai | |
4226. |
What is carried out in apiary (apiculture) ? |
A. | Honey bee brings nectar |
B. | Manufacture of colours, polish, cosmeties from wax |
C. | The rearing of honey bee colonies |
D. | All the above |
Answer» D. All the above | |
4227. |
Which statement is improper for intraspecific hybridization. |
A. | Animals of two different species are interbreed. |
B. | The offspring show characters quite different form those obsreved in both parents. |
C. | In some cases fertility of offsprings gradually discreases. |
D. | Some times, the offsprings may posess all the desirable characters. |
Answer» D. Some times, the offsprings may posess all the desirable characters. | |
4228. |
Which genetically engineered technique is used to reduce enviornmental pollution to solve human nutrition problem. |
A. | Single cell protein. |
B. | Biofortification. |
C. | Bio gas production. |
D. | Pasturization. |
Answer» B. Biofortification. | |
4229. |
Write full form of IVRI ? |
A. | Internation veterinary research institute. |
B. | Indian veterinary research institute. |
C. | Imperial veterinary research institute. |
D. | Imperial viral research institute. |
Answer» D. Imperial viral research institute. | |
4230. |
Write full form of IARI ? |
A. | International agricultural research institute. |
B. | Indian agricultural research institute. |
C. | Imperial agricultural research institute. |
D. | Indian aronitical research institute. |
Answer» C. Imperial agricultural research institute. | |
4231. |
Who was pioneer of dairy industry in Gujarat ? |
A. | Fahian |
B. | Haber |
C. | Varges kurian |
D. | Venus (whenson) |
Answer» D. Venus (whenson) | |
4232. |
Single cell protein is produced by |
A. | Anaerobic respiration (fermentation) |
B. | Aerobic respiration |
C. | Biofortication |
D. | Paturization |
Answer» B. Aerobic respiration | |
4233. |
What is the most important food produced from? |
A. | from stems |
B. | from leaves |
C. | from fruits |
D. | from the roots |
Answer» D. from the roots | |
4234. |
From what does the seed develop? |
A. | from ovaries |
B. | from seeds |
C. | from anthers |
D. | none of these |
Answer» C. from anthers | |
4235. |
Which one of the following is a code fruit? |
A. | Mango |
B. | Cashew |
C. | Apple |
D. | Betel |
Answer» D. Betel | |
4236. |
What is rice grain? |
A. | a seed |
B. | monogamous fruit |
C. | fruit |
D. | all these |
Answer» C. fruit | |
4237. |
Which part of the pear is eaten? |
A. | pod |
B. | spore |
C. | Pulp Pushasana |
D. | all these |
Answer» D. all these | |
4238. |
Parthenogenesis is often seen in |
A. | in litchi |
B. | in the grapes |
C. | in all kinds of fruits |
D. | in common |
Answer» C. in all kinds of fruits | |
4239. |
Which one of the following is cultivated by transplanting a plant? |
A. | Soybean |
B. | sorghum |
C. | onion |
D. | maize |
Answer» D. maize | |
4240. |
Does a true fruit grow? |
A. | from Pushpasana |
B. | from parties |
C. | from ovary |
D. | none of these |
Answer» D. none of these | |
4241. |
What is the edible part of coconut? |
A. | Embryo |
B. | whole seed |
C. | seed coat |
D. | Fruit wall |
Answer» B. whole seed | |
4242. |
Which plant has seed but no fruit? |
A. | almond |
B. | Sycus |
C. | Peanut |
D. | reed |
Answer» C. Peanut | |
4243. |
Stem cutting is usually used for the propagation of |
A. | Did |
B. | Cotton |
C. | Sugarcane |
D. | lychee |
Answer» D. lychee | |
4244. |
Pollination in fragrant flowers takes place by? |
A. | insect |
B. | Bird |
C. | water |
D. | Wind |
Answer» B. Bird | |
4245. |
The fruit of which plant is found under the ground? |
A. | carrot |
B. | potato |
C. | Peanut |
D. | all these |
Answer» D. all these | |
4246. |
Who produces the largest flower in the world? |
A. | by loranthus |
B. | by rafflesia |
C. | by Drosera |
D. | none of these |
Answer» C. by Drosera | |
4247. |
Which is the largest flower in the world? |
A. | Reflexia |
B. | cactus |
C. | Lotus |
D. | none of these |
Answer» B. cactus | |
4248. |
Which is called a living organism? |
A. | ginkgo |
B. | sykes |
C. | Pinus |
D. | none of these |
Answer» B. sykes | |
4249. |
From whom is the drug Ephedrine, which is used in the diseases of asthma and cough, obtained? |
A. | Pinus |
B. | Juniperus |
C. | Sycus |
D. | ephedra |
Answer» E. | |
4250. |
Which is the most important part of the plant from the point of view of life cycle? |
A. | stem |
B. | root |
C. | flower |
D. | leaf |
Answer» D. leaf | |