Your Virtual Mentor| Question | Options |
|---|---|
| The water reached the upward parts of plants : | Through phloem , Through xylem , Through cortex , Though epidermis |
| For the measurement of transpiration the instrument used is : | Thermometer , Potometer , Volmeter , Ammeter |
| The amount of water in a blood in a blood is about : | 90 % , 92 % , 95 % , 97 % |
| in amoeba ammonia diffuses out through : | Mitochondria , Golgi Complex , Nucleus , Cell membrane |
| Supporting structure of vertebral column consists of bones : | 33 , 32 , 31 , 30 |
| The intestine of frog develops from : | Ectoderm , Endoderm , Mesoderm , None of these |
| The gene determines maleness on chromosome is : | SVY , STY , SRY , SPY |
| In a big population the kinds of variation are : | 6 , 4 , 3, 2 |
| Charles Dawin was inspired by the work of his Geologist friends : | August Weismann, Lamarck , Charles Lyell , Aristotle |
| The non- living components of environment are called : | Biotic factor , Abiotic factors , Factors , Biomass |
| Primary tropic level formed by : | Consumers , Producers , Decomposers , None of these |
| Liver Fluke complete its life cycle in how many host ? | 4 , 5, 3, 2 |
| How many type of vascular tissue are found in plant : | 2, 8, 6, 3 |
| In closed circulatory system the heart pumps the blood into the : | Capillaries , veins , Arteries , Tissues |
| In earthworm excretion is carried out by : | Nephridia , Flame cell , Excetory pores , Cilia |
| Locomotion in Euglena takes place with the help of : | Flame cell , Cilia , Psedopodia , Flageellum |
| How many types of neurons are : | 2, 6, 3, 4 |
| The simplest method of asexual reproduction is : | Budding , Multiple fission , Binary fission , Regeneration |
| In budding the method in which bud is formed is : | Mitosis , Meiosis , Fission , Binary fission |
| James Waston and Francis Crick gave the model of DNA in : | 1950 , 1951 , 1952 , 1953 |
| The human genome contains about how many nucleotide pairs of DNA : | 1808 , 1809 , 1810 , 1829 |
| How many steps nitrogen cycle has : | 1, 2, 3, 4 |
| Chemical used as insecticide : | BOD , DDT , HCl , H2SO4 |