General Science - Online Test
Q1. In leaves, the ground tissue consists of thin-walled chloroplast containing cells are called
Answer : Option C
Explaination / Solution:
The tissues of a leaf that are located in between the layers of epidermis and carry on photosynthesis, consisting of the palisade layer and the spongy parenchyma. Most mesophyll cells contain chloroplasts.
Q2. What is the shortest wavelength present in the Paschen series of spectral lines?
Answer : Option C
Explaination / Solution:
No Explaination.
Q3. The number of categories in hierarchical classification is
Answer : Option B
Explaination / Solution:
Taxonomical studies of all known organisms have led to the development of common categories such as kingdom, phylum (for animals) or division (for plants), class, order, family, genus and species. Hence, the correct option is 7.
Q4. Which one prevents premature fall of fruit?
Answer : Option A
Explaination / Solution:
They help to prevent fruit and leaf drop at early stages but promote the abscission of older mature leaves and fruits.
Q5. Which among the following is an example of a solid solution in which the solute is a gas?
Answer : Option A
Explaination / Solution:
Pumice stone is example of gas in Solid.
Q6. Who developed HYV seeds
Answer : Option B
Explaination / Solution:
Normal Borlaug was the "Father of the Green Revolution", who developed HYV seeds which involved the development of high-yielding varieties of cereal grains, expansion of irrigation infrastructure, modernization of management techniques to farmers.
Q7.
Identify the organism and type of reproduction in figure below
Answer : Option B
Explaination / Solution:
Asexual mode of reproduction in yeast takes place by budding process in which small outgrowth develops on tips followed by karyokinesis. Same process is repeated several times to form chain of yeast cells.
Q8. Forests controls drought through
Answer : Option B
Explaination / Solution:
The volume of water retained by forests can depend on characteristics such as forest cover area, the length of vegetation growing season, tree composition and tree density, as well as the age and the number of layers of vegetation cover. Water retention by forests affects the amount and timing of the water delivered to streams and groundwater by increasing and maintaining infiltration and storage capacity of the soil. Forests can soak up excess rainwater, preventing run-offs and damage from flooding. By releasing water in the dry season, forests can also help provide clean water and mitigate the effects of droughts. Drought is due to less rainfall.
Q9. Revenue Expenditure
Answer : Option C
Explaination / Solution:
No Explaination.
Q10. When the distribution is of open end classes which average may appropriate
Answer : Option C
Explaination / Solution:
An open ended distribution means that one or more of your classes are open-ended. In other words, it doesn’t have a boundary. In this frequency distribution table only find median from this data.
