1. Alimentary canal is referred as _____?

<p>The alimentary canal, or digestive tract, is a continuous tube running from the mouth to the anus, comprising organs like the esophagus, stomach, intestines, and involved in food digestion and absorption.</p>

2. Teeth formed between the age of 6 to 8 are called as _____?

<p>Milk teeth, or deciduous teeth, are the first set of teeth in infants, emerging around 6 months. They typically fall out between ages 6 to 12, replaced by permanent teeth.</p>

3. Some organisms live together and share shelter and nutrients,this process is known as _____?

<p>In a symbiotic relationship, organisms live together and share shelter, nutrients, and other resources for mutual benefit.</p>

4. Cuscata is generally a ___?

<p>Cuscuta, also known as dodder, is a parasitic plant that depends on host plants for nutrients, as it lacks chlorophyll and cannot photosynthesize on its own.</p>

5. Cuscuta plant does not have?

<p>The Cuscuta plant does not have chlorophyll, which is why it relies on other plants (hosts) for nutrients. It does have stems and roots, although its roots are specialized to penetrate the host plant.</p>

6. The presence of starch in leaf indicates the occurrence of ______?

<p>The presence of starch in a leaf indicates that photosynthesis has occurred, as starch is produced as a result of the plant converting glucose (produced during photosynthesis) into a storage form.</p>

7. The pores present on leaves that take carbon dioxide are called ____?

<p>Stomata are small pores on the surface of leaves that allow the plant to take in carbon dioxide for photosynthesis and release oxygen.</p>

8. _______ is the mode of taking food by an organism for utilization of body? a

<p><strong>Nutrition </strong>is the process by which organisms take in food and utilize it for growth, energy, and repair of the body.</p>

9. The rot garbage will provide ______ to plants?

<p>Rotting garbage decomposes and breaks down into organic matter, which provides essential nutrients like nitrogen, phosphorus, and potassium to plants, aiding their growth.</p>

10. Aquatic animals uses ____ form of air for respiration?

<p>Aquatic animals use <strong>dissolved oxygen</strong> present in water for respiration. They extract this oxygen through specialized structures like gills.</p>

11. Dispersal of seeds and pollen of flowers of various plants are due to presence of ____?

<p>Air plays a crucial role in the dispersal of seeds and pollen of various plants. Wind carries seeds and pollen over distances, aiding in plant reproduction.</p>

12. Air contains major quantity of _____?

<p>Air contains about <strong>78% nitrogen</strong>, which is the major component, followed by approximately 21% oxygen and a small percentage of other gases like carbon dioxide and trace gases.</p>

13. The presence of water vapour in air is important for following process?

<p>The presence of water vapor in the air is crucial for the water cycle, as it facilitates processes like evaporation, condensation, and precipitation.</p>

14. From the following options what is the true statement about Air?

<p>While air is indeed a gas and a substance, the most accurate and comprehensive statement is that air is a mixture of many gases, primarily nitrogen, oxygen, carbon dioxide, and other trace gases.</p>

15. Air contains _____?

<p>Air contains both carbon dioxide and water vapor, along with other gases such as nitrogen and oxygen.</p>

16. Carbon dioxide makes small component of ___ around us?

<p>Carbon dioxide is a small component of the air we breathe, making up about 0.04% of the atmosphere.</p>

17. Plant and animal matter consumes oxygen on burning and produces ______?

<p>When plant and animal matter burns, it consumes oxygen and produces carbon dioxide, along with other gases and compounds depending on the conditions of combustion.</p>

18. Soil contains ______?

<p>Soil contains both air and carbon, along with water, minerals, and organic matter. The air in the soil provides oxygen for organisms, while carbon is found in organic matter and contributes to soil fertility.</p>

19. The windmill is used for ____?

<p>Windmills can be used for both drawing water from tube wells and running flour mills, utilizing wind energy for these purposes.</p>

20. Air helps in the movement of ____?

<p>Air plays a crucial role in the movement of gliders, sailing yachts, and parachutes, providing the necessary lift and resistance for their operation.</p>

21. Air in excess motion is referred as?

<p>Air in excess motion is referred to as <strong>wind</strong>, which is the movement of air caused by differences in atmospheric pressure.</p>

22. The envelope of air that surrounds the earth is known as?

<div class="flex max-w-full flex-col flex-grow"> <div class="min-h-8 text-message flex w-full flex-col items-end gap-2 whitespace-normal break-words [.text-message+&amp;]:mt-5" dir="auto" data-message-author-role="assistant" data-message-id="5667722a-90cc-4227-b492-232c541e8a4b"> <div class="flex w-full flex-col gap-1 empty:hidden first:pt-[3px]"> <div class="markdown prose w-full break-words dark:prose-invert light"> <p>The atmosphere is the envelope of gases surrounding Earth, crucial for supporting life by providing oxygen, regulating temperature, and protecting from harmful solar radiation and meteoroids. It consists of layers.</p> </div> </div> </div> </div>

23. Atmosphere is essential for _____ on earth?

<p>The atmosphere is essential for life on Earth, as it provides oxygen, regulates temperature, and protects living organisms from harmful radiation.</p>

24. Plants and animals depends on each other by exchange of oxygen with _____?

<p>Plants and animals depend on each other through the exchange of oxygen and carbon dioxide; plants produce oxygen during photosynthesis, which animals use for respiration, while animals exhale carbon dioxide, which plants use.</p>

25. Landfill is defined as _____?

<p>A landfill is typically a low-lying area where waste is disposed of, often covered with soil and managed to minimize environmental impact.</p>

26. Burning of leaves produces?

<p>Burning leaves produces smoke, carbon dioxide, and various harmful gases.</p>

27. The rotting and conversion of some materials into manure is known as ?

<p><strong>Composting</strong> is the natural process of breaking down organic materials, like food scraps and yard waste, into nutrient-rich manure. This enriches soil and promotes healthy plant growth while reducing waste.</p>

28. The method of preparing compost with the help of red worms is called ?

<p>Vermi composting is the process of using red worms to decompose organic waste, creating nutrient-rich compost. This method enhances soil quality and promotes sustainable waste management in gardening and agriculture.</p>

29. ______ helps red worm to grind food?

<p>The gizzard in red worms functions like a stomach, grinding and breaking down food. This muscular organ aids in digestion, allowing worms to efficiently process organic matter for nutrient absorption.</p>

30. Plastics are hard to _____?

<p>Plastics are hard to recycle due to their complex compositions and various types. Many recycling facilities struggle with processing them, leading to increased waste and environmental challenges in managing plastic pollution.</p>

31. The body of living organisms are made up of tiny units called?

<p><strong>Cells</strong> are the basic building blocks of all living organisms.</p>

32. Centrally located spherical structure in a cell membrane is known as ?

<p>The <strong>nucleus</strong> is the centrally located spherical structure in a cell, containing the cell's genetic material.</p>

33. The nucleus in membrane is surrounded by a jelly like substance called ?

<p>The cytoplasm is the jelly-like substance that surrounds the nucleus and other organelles within the cell membrane.</p>

34. The leaves of a plant has green pigment called ?

<p><strong>Chlorophyll</strong> is the green pigment found in the leaves of plants, responsible for capturing light energy during photosynthesis.</p>

35. ______ is the ultimate source for all living organisms?

<p>The <strong>Sun</strong> is the ultimate source of energy for all living organisms, as it provides the light necessary for photosynthesis in plants, which in turn supports the entire food chain.</p>

36. The starch is one among the ______?

<p>Starch is a complex carbohydrate composed of glucose units. It serves as an essential energy storage molecule in plants and is a significant dietary source of energy for humans and animals.</p>

37. Slimy green patches found in ponds or other stagnant water bodies are due to ____?

<p>Slimy green patches in ponds or stagnant water bodies are primarily caused by algae, which can proliferate in nutrient-rich water.</p>

38. Sometimes plants depend on other plant food this nutrition is called as?

<p>In this mode, some plants obtain their nutrition by depending on other plants or organic sources for food.</p>

39. Cuscuta is also known as ____?

<p>Cuscuta, commonly known as <strong>Amarbell</strong>, is a parasitic plant that relies on other plants for nutrients.</p>

40. The plant on which cuscuta plant depends and grows on is called ?

<p>Cuscuta, a parasitic plant, depends on a host plant for nutrients and support. The host provides essential resources, allowing Cuscuta to thrive by attaching itself to the host's tissues.</p>

41. Cotton like things present on a bread fluffy patches called ?

<p>The cotton-like fluffy patches on bread are typically caused by fungi, particularly mold.</p>

42. The mode of nutrition in which organisms take nutrients from dead and decaying matter?

<p>Saprotrophic nutrition involves organisms that decompose dead and decaying matter, obtaining nutrients through the breakdown of organic material. This process is essential for nutrient cycling in ecosystems.</p>

43. The organisms which depend on dead and decay matter for food are called as ___?

<p>Organisms that rely on dead and decaying matter for food are called saprotrophs. They play a crucial role in ecosystems by decomposing organic material and recycling nutrients back into the environment.</p>

44. Chlorophyll containing partner is present in ____ of the following?

<p>Lichens are a symbiotic association between fungi and chlorophyll-containing partners, typically algae or cyanobacteria.</p>

45. The break down of complex components of food into simpler substances is called?

<p>Digestion is the process of breaking down complex food components into simpler substances that can be absorbed by the body.</p>

46. The process of taking food into the body is called ?

<p>Ingestion is the process of taking food into the body. It involves various methods, such as eating and drinking, enabling organisms to acquire essential nutrients for growth and energy.</p>

47. The saliva breaks down the starch into ___?

<p>Saliva contains enzymes, like amylase, that help break down starch into simpler sugars during the digestion process.</p>

48. The acids gradually damage the teeth, this process is referred as ______?

49. Oesophagus is generally known as ____?

<p>The esophagus is commonly referred to as the food pipe, as it transports food from the mouth to the stomach.</p>

50. Which of the following is NOT a non-metallic mineral ?

<ul> <li><strong>Silica</strong> (A) is a non-metallic mineral primarily used in glass and ceramics.</li> <li><strong>Limestone</strong> (B) is a non-metallic mineral used in construction and as a chemical feedstock.</li> <li><strong>Bauxite</strong> (C) is an <strong>ore of aluminum</strong> and is considered a <strong>metallic mineral</strong>.</li> <li><strong>Dolomite</strong> (D) is a non-metallic mineral used in construction and agriculture.</li> </ul> <p>Thus, the correct answer is <strong>(C) Bauxite</strong>.</p>

51. Identify the pair which does not follow the common pattern.

<div class="flex max-w-full flex-col flex-grow"> <div class="min-h-8 text-message flex w-full flex-col items-end gap-2 whitespace-normal break-words [.text-message+&amp;]:mt-5" dir="auto" data-message-author-role="assistant" data-message-id="a29030f7-b000-45e6-8262-8078183b5cc8"> <div class="flex w-full flex-col gap-1 empty:hidden first:pt-[3px]"> <div class="markdown prose w-full break-words dark:prose-invert light"> <p>To identify the pair that does not follow the common pattern, let's examine the atomic numbers and their corresponding elements:</p> <ul> <li><strong>(A) 6 : OXYGEN</strong> (Oxygen has an atomic number of 8)</li> <li><strong>(B) 5 : ARGON</strong> (Argon has an atomic number of 18)</li> <li><strong>(C) 7 : CADMIUM</strong> (Cadmium has an atomic number of 48)</li> <li><strong>(D) 8 : BROMINE</strong> (Bromine has an atomic number of 35)</li> </ul> <p>Now, if we analyze the atomic numbers, they all don't correspond to their respective element. However, we can consider the following:</p> <ol> <li><strong>(A)</strong>: 6 (incorrect for Oxygen)</li> <li><strong>(B)</strong>: 5 (incorrect for Argon)</li> <li><strong>(C)</strong>: 7 (incorrect for Cadmium)</li> <li><strong>(D)</strong>: 8 (incorrect for Bromine)</li> </ol> <p>All pairs have mismatches, but :</p> <ul> <li><strong>Oxygen, Argon, and Bromine</strong> are <strong>nonmetals</strong>.</li> <li><strong>Cadmium</strong> is a transition <strong>metal</strong>.</li> </ul> <p>The pair that does not follow the common pattern of being nonmetals is <strong>(C) 7 : CADMIUM</strong>.</p> </div> </div> </div> </div>