List of top Questions asked in CUET (PG)

Facilitated Diffusion across a cell membrane refers to:

In general, amount of dissolved Oxygen in water in a lake can vary on day and night basis, as well as on seasonal basis (summer and winter). Solubility of gas is governed by Henry's law and is inversely proportional to temperature of water. Which of the following is most appropriate?

Arrange the following components of a cell in decreasing order of their percentage presence with respect to total cellular mass: A. Water B. Carbohydrate C. Protein D. Lipid E. Nucleic Acids

In most of terrestrial lakes, phosphorous is a limiting nutrient. Phosphorous is not an essential nutrient but present in high amounts compared to other nutrients. Which of the following is most appropriate?

Match the type of equilibrium with typical examples:

List I	List II
A. Oxidation/Reduction Equilibrium (K_redox) --- III. MnO4- + 5Fe2+ + 8H+ ⇌ Mn2+ + 5Fe3+ + 4H2O B. Heterogeneous Equilibrium (Ksp) --- IV. BaSO4(s) ⇌ Ba2+ + SO4 2- C. Distribution Equilibrium (Kd) --- I. I2(aq) ⇌ I2(org) D. Dissociation of weak Acid (Ka) --- II. CH3COOH + H2O ⇌ H3O+ + CH3COO-	III. MnO4- + 5Fe2+ + 8H+ ⇌ Mn2+ + 5Fe3+ + 4H2O IV. BaSO4(s) ⇌ Ba2+ + SO4 2- I. I2(aq) ⇌ I2(org) II. CH3COOH + H2O ⇌ H3O+ + CH3COO-

Which of the following chemical species will dominate in the pH range of 4 to 6 in natural waters?

Match bacteria/microbes with their functions:

List I	List II
A. Achromobacter --- III. Denitrification B. Nitrobacter --- IV. Nitrite to Nitrate C. Clostridium --- I. N2 fixation D. Nitrosomonas --- II. Ammonia to Nitrite conversion	III. Denitrification IV. Nitrite to Nitrate I. N2 fixation II. Ammonia to Nitrite conversion

Which of the following elements in the periodic table are considered as metalloids? A. P B. As C. Si D. S E. Ge

Match the geometry linkage of SiO$_4$ tetrahedron with example minerals:

List I	List II
A. Sheet --- III. Kaolinite B. Single Chain --- IV. Pyroxene C. Double Chain --- II. Quartz D. Frameworks --- I. Amphibole	III. Kaolinite IV. Pyroxene II. Quartz I. Amphibole

Which of the following species act as Lewis Acid? A. F$^-$ B. H$^+$ C. AlCl$_3$ D. BCl$_3$ E. H$_2$O

Ratio of mass of water vapour actually present in the air to a unit mass of air, including water vapours is best referred to as:

Arrange the following gases in increasing order of their abundance in ambient atmosphere: A. Kr B. Ar C. CO$_2$ D. He E. Ne

Which of the following are examples of Igneous rocks? A. Batholiths B. Stock C. Argillaceous D. Gneiss E. Zeolite

Match the decomposition processes with their functions:

List I	List II
A. Leaching --- IV. Water soluble inorganic nutrients go down into the soil and get precipitated B. Catabolism --- III. Bacterial and Fungal enzymes degrade detritus into simpler inorganic substances C. Humification --- II. Accumulation of a colloidal dark coloured amorphous substance D. Mineralization --- I. Degradation of humus by microbes to release inorganic nutrients	IV. Water soluble inorganic nutrients go down into the soil and get precipitated III. Bacterial and Fungal enzymes degrade detritus into simpler inorganic substances II. Accumulation of a colloidal dark coloured amorphous substance I. Degradation of humus by microbes to release inorganic nutrients

Choose the correct statements: A. Both hardness and Alkalinity are measured in units of mg/L as CaCO$_3$ B. Enrichment of C and S are responsible for eutrophication of lakes C. Alkalinity is a base neutralizing capacity D. Dissolved ions increases salinity of water E. Turbidity is a measure of transparency of water

Arrange the following Seismic discontinuities based on their depth of occurrence from shallow to deeper: A. Conrad discontinuity B. Repetti discontinuity C. Gutenberg discontinuity D. Lehmann discontinuity E. Mohorovicic discontinuity

Arrange the following materials in decreasing order of their porosity (percentage of total volume of material that consists of pore spaces): A. Sand B. Clay C. Gravel D. Sandstone (Semi consolidated)

Arrange following rock types from high grade to low grade metamorphism: A. Slate B. Gneiss C. Schist D. Shale E. Phyllite

Arrange the following Epochs of Cenozoic era starting from recent one to older one: A. Paleocene B. Pliocene C. Oligocene D. Holocene E. Eocene

Arrange the following elements in increasing order of their mass (weight) percentage in the Bulk earth: A. Iron B. Silicon C. Oxygen D. Magnesium E. Nickel

Under adiabatic conditions, a moist air parcel cools slowly and rises to greater height in atmosphere compared to a dry air parcel. The reason is that compared to dry air parcel, latent heat of condensation released within the moist air parcel reduces rate of cooling of the moist air parcel moving up under adiabatic conditions. Which of the following is most appropriate?

Consider the Earth to be a blackbody with an average temperature of 15°C. Find out the wavelength ($\lambda_{\text{max}}$) at which maximum power is radiated:

Ethylene is a phytohormone and also: A. Known as fruit ripening hormone B. Causes leaf epinasty in tomato, potato and pea C. Induces flowering in pine apple and mango D. Promotes formation of male flowers and suppresses the number of female flowers considerably E. Promotes abscission of leaves in plants. Choose the correct answer from the options given below:

The egg apparatus in the mature embryo sac consists of a single egg cell in ________.

Identify the correct statements about 'Probiotics'. A. are living organisms B. have multiple interaction with the host C. in adequate amount, confers health benefits to the host D. Bifidobacterium and Lactobacillus E. used in antibiotic associated diarrhea. Choose the correct answer from the options given below: