the release of energy in an ecosystem is always uni-directional, that is energy synthesized by autotrophs is consumed by heterotrophs, decomposition and mineralization of dead matter is done by microorganisms and the energy is released back for refuse by the autotrophs. These events are repeated again and again.
English
50 Questions
200 Marks
45 Mins EnglishMatch Column ‘A’ with Column ‘B’ and select the suitable answer from the codes given below:
Column I | Column II |
|---|---|
A. Leishmania donovani | {i}Malaria |
B. Wuchereria bancrofti | {ii}Amoebiasis |
C. Trypanosoma gambiense | {iii}Kala azar |
D. Entamoeba histolytica | {iv}Sleeping sickness |
(v) Filariasis |
Which of the following statement(s) is/are correct?
{i}Collagen is the most abundant protein in animals.
{ii}RuBisCO is the most abundant protein in plants.
{iii}Z-DNA is the most common double helical structure found in nature.
Match Column I (taxonomic rank) with Column II (example/term) and choose the correct code.
Column I | Column II |
|---|---|
A. Family | {i}Solanum |
B. Kingdom | {ii}Solanaceae |
C. Order | {iii}lycopersicum |
D. Species | {iv}Plantae |
E. Genus | (v) Solanales |
Given below are two columns:
Column I lists the names of scientists and Column II lists the discoveries made by them towards understanding photosynthesis in plants.
Match the scientists with the corresponding discoveries and choose the correct code.
Column I | Column II |
|---|---|
A. J.B. Van Helmont | {i}Starch is the first visible product of photosynthesis |
B. Stephen Hales | {ii}Water of soil contributes to the growth of plants |
C. Engelmann | {iii}Green plants get nourishment through their leaves from air and sunlight |
D. Sachs | {iv}Action spectrum of photosynthesis |
Match the components of the Electron Transport System (ETS) of aerobic respiration with their respective electron carriers.
Column I | Column II |
|---|---|
A. Complex I | {i}Cyt c → O₂ |
B. Complex II | {ii}NADH → CoQ |
C. Complex III | {iii}Succinate → CoQ |
D. Complex IV | {iv}CoQH₂ → Cyt c |
Observe the columns and match the plants/types in Column I to the morphological forms in Column II.
Column -I | Column- II |
|---|---|
A. Scape | i. Tinospora |
B. Culm | ii. Grasses |
C. Liana | iii. Onion |
D. Creeper | iv. Bamboo |
Choose the correct answer from the codes given below:
A stomatal apparatus comprises of:
A. A pair of guard cells, a stomatal pore, and surrounding subsidiary cells
B. A pair of stomata
C. A stoma
D. A pair of guard cells and a stomatal pore
Polluted water bodies have:
Select the correct matching of the type of joint with the example in the human skeletal system:
A. Cartilaginous joint – between frontal and parietal bones
B. Pivot joint – between third and fourth cervical vertebrae
C. Hinge joint – between humerus and pectoral girdle
D. Gliding joint – between carpals
Codes:
Juxtaglomerular cells secrete 'A' when there is reabsorption in 'B' ion concentration.
Choose the correct pair labelled as A and B respectively:
