181. Which of the following condition is hybrid
TT
Tt
tt
All of these
✅ The correct answer is option B.
Biology
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183. Which of the following is monohybrid cross
TT x tt
TTYy x Ttyy
Both of these
None of these
✅ The correct answer is option A.
184. Apical meristems are located at
Tips of leaves
Tips of flowers
Tips of roots and stems
Tips of roots only
✅ The correct answer is option C.
185. Weather refers to
Short-term fluctuations in temperature, cloud cover, wind and precipitation
It prevails over periods of hrs or days
Overall patterns of weather that prevail from year to year
Both a and b
✅ The correct answer is option D.
186. Function of intercalary meristems is
Increase in length
Increase in diameter
Production of leaves and flowers
None of these
✅ The correct answer is option C.
187. Which statement is incorrect?
Average rainfall in temperate deciduous forests is 750-1500mm
The temperature of coniferous alpine and boreal forests is up to 10 degrees
Northern coniferous forests are called Taiga
Coniferous forests located at high latitude are alpine
✅ The correct answer is option D.
188. Which statement about the hydrospheric ecosystem is incorrect?
Saltwater ocean and sea are the largest ecosystems on earth
Saltwater ecosystem covers about 75% earth surface
Freshwater ecosystem covers less than 1% of earth surface
Its temperature is more moderate to support life
✅ The correct answer is option B.
189. Lateral meristems are present in
All plants
Gymnosperms and dicots
Monocots
In aquatic plants only
✅ The correct answer is option B.
190. The productivity of an ecosystem is indicated by
Number of plants in that ecosystem
The density of that ecosystem
Consumption of carbon dioxide and evolve of oxygen
Both a and b
✅ The correct answer is option D.