Science Biology MCQ-262

General Science-Biology MCQ test for JPSC,CivilsPrelims,SSC,CDS,UPSC,UPPSC,NDA Exams

The only snake that builds a nest is:


Most of the desert plants bloom during night time because


Living organisms require at least 27 elements, of which 15 are metals. Among these, those required in major quantities, include


It is possible to produce seedless tomato fruits by


Match List-I (Physiological processes) with List-11 (Cell organelles) and select the correct answer by using the codes given below:
A. Photosynthesis
B. Mineral uptake
C. Respiration
D. Protein synthesis
lasma membrane


Which one of the following is a modified stem?


Which one of the following organisms is likely to show the highest concentration of DOT, once it has been introduced into the ecosystem?


Match List-I with List-II and select the correct answer by using the codes given below the lists
List.-I List–1
A. Fruit 1. Ovule
B. Seed 2. Leaf
C. Wood 3. Stem
D. Starch 4. Ovary


Which one of the following statements regarding starch and cellulose is not correct?


Ergotism is due to consumption of


Which one of the following is a useful functional association between fungi and the roots of higher plants?


Within biological communities, some species are important in determining the ability of a large number of other species to persist in the community. Such species are called


Which one of the following organisms can serve as a biofertilizer for rice crop?


Phytotron is a facility to


Soft drinks such as cocoa contain significant quantities of:


Canola refers to special type of oil seed mustard varieties bred for human consumption. The main characteristic of these varieties is that the


Which organelle in the cell, other than nucleus contains DNA?


”Athlete’s Foot” is a disease’ caused by


Epiphytes are plants which depend on other plants for


In a bisexual flower, if androecium and gynoecium mature at different times, the phenomenon is known as


Match List-I (Indian wild life species) with List-II (Scientific names) and select the correct answer using the codes given below:
List-I (Indian wild life species) List-II (Scientific names)
A. Asiatic wild ass 1. Boselaphus tragocamelus
B. Barasingha 2. Cervvs duvauceli
C. Chinkara 3. Equus hemionus
D. Nilgai 4. Gazella gazella


Which one of the following is monogamous?


Consider the following plants
2. Carnations
3. Cocoa
4. Grapes
Which of these plants are propagated by stem cuttings?


Consider the following statements:
1. The common blue green algae, Spirogyra and Ulothrix, are found in both fresh water ponds and oceans.
2. The Chameleon can look ahead with one eye, and at the same time look behind with another.
Which of these statements is/are correct?


Assertion (A): Unsaturated fats are more reactive compared with the saturated fats.
Reason (R) : Unsaturated fats have only single bonds in their structure.