10 - அறிவியல் - உயிரியல் - 04.

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The correct answer is "ஹைடிரோகோரி" which means "hydrophobic" in English. This term refers to the property of repelling or not mixing with water.

Water facilitates the process of dissolving substances, which is known as hydration. Hydration is a crucial step in the process of solubility. Therefore, the correct answer is "ஹைடிரோபிலி" (Hydrophilic), which means "water-loving" in English.

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The passage states that the malarkal (flowers) are blooming on two sides and the malarkalathu (pollen) is not present in the air during the process of pollination. This indicates that there are fewer seeds being produced, as the pollen is not being transferred from the flowers to the stigma. Therefore, the correct answer is that there is a decrease in the number of seeds being produced due to the low quantity of pollen.

இரண்டாகப் பிளத்தல் அமீபா மற்றும் பாக்டீரியங்களில் நடைபெறும் இனப்பெருக்க வகைகளில் ஒன்று.

Birds migrate in order to find better food sources and breeding grounds. ஆர்னித்தோபிலி refers to the migration of birds.

The correct answer is "சூலக வட்டம்" which means "flower petal" in English. The other options "புல்லி வட்டம்" means "thorn", "அல்லி வட்டம்" means "stem", and "மகரந்ததாள் வட்டம்" means "sepal". Therefore, the correct answer refers to the petal of a flower.

The given question is asking for the process of seed dispersal by animals. Among the given options, "சூகோரி" is the correct answer, which means "zoochory" in English. Zoochory is the process of seed dispersal by animals.

விலங்குகளின் மூலம் மகரந்தச் சேர்க்கை நடைபெறுதல் சூபிலி எனப்படும். (Translation: The process of fertilization through the pollen of plants is called சூபிலி in Tamil.)

We refer to the ears of a vehicle as "கனி" (kani) in Tamil. The verb form of this word is "பார்த்தினோகார்பிக்" (paarthinokaarbig), which means "to equip with ears" or "to install ears". Therefore, the correct answer is "பார்த்தினோகார்பிக்" (paarthinokaarbig), as it fits the sentence structure and conveys the intended meaning.

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When the seed that was soaked in water is shaken, the water droplets attached to the seed start to move in a circular motion around the seed due to the force applied. This circular motion resembles the movement of a spiral or a helix, which is called "microbial" in Tamil. Hence, the correct answer is "மைக்ரோபைல்" which means "microbial" in English.

The given passage talks about how a thorn from a shrub can cause pain when it gets stuck in the foot, and the pain can spread from the foot to the entire body. The term "திறள் கனி" (thiralkani) refers to the pain that spreads from the foot to the entire body. This is the correct answer as it accurately describes the concept mentioned in the passage.

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The given question asks for the tool that helps in the growth of a plant. The correct answer is "கருவூண்" which means fertilizer in English. Fertilizers provide essential nutrients to plants, promoting their growth and development.

The word "விதை" (seed) is the correct answer because it is the only option that makes sense in the given sentence. The sentence talks about something changing after germination, and seeds are known to germinate and grow into plants. The other options, such as "அண்டகம்" (egg) and "முட்டை" (eggshell), do not fit the context and do not undergo the process of germination. Therefore, the correct answer is "விதை" (seed).

Endophily is the term used to describe the process of pollination by insects. In this case, the correct answer is "எண்டோபிலி," which translates to "endophily" in English. This suggests that the pollination of flowers is occurring through the action of insects.

After germination, seeds undergo various changes and develop into plants. The word "விதையுறை" in Tamil refers to the stage of seed development. Therefore, the correct answer is "விதையுறை" because it accurately describes the transformation of seeds during germination.

The correct answer is "கருவில் தண்டு உருவாகும் பகுதிக்கு முளைவேர் என்று பெயர்" because it correctly identifies the part of the plant that develops into a stem. The term "முளைவேர்" specifically refers to the shoot or stem of a plant, which grows from the seed. This explanation aligns with the given options and provides the most accurate description of the plant part mentioned.

The correct answer states that the trichomes on the leaves of the Datura plant help in the diffusion of moisture, aiding in the process of transpiration. Trichomes are tiny hair-like structures that can absorb and release moisture, allowing the plant to regulate its water content. This adaptation helps the plant to survive in dry conditions by reducing water loss through transpiration.

The correct answer is "கனி உட்தோல் கடினமானது" which means "The stone is hard like iron". This is because the question states that the word "கனி" (kani) is used to refer to a stone. Among the given options, the phrase "கனி உட்தோல் கடினமானது" directly translates to "stone is hard like iron", indicating that "கனி" is used to describe the hardness of the stone.

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After grinding, the texture of the substance changes and becomes powdery. This is why the correct answer is "கனி" which means powder.

The given answer, லொமெண்டம், கிரிமோகார்ப், ரெக்மா, is the only set of words that does not contain the letter "க" (ka). All the other sets of words, லெகூம், ஒருபுற வெடிக்கனி, காப்சூல் and தனிக்கனி, திரள்கனி, கூட்டுக்கனி, have at least one word that contains the letter "க" (ka). Therefore, the correct answer is லொமெண்டம், கிரிமோகார்ப், ரெக்மா.