Soil contains decayed remains of living organisms. This is called
(A) Saline Soil
(B) Humus
(C) Minerals
(D) Biosphere
The decayed remains of living organisms in soil are called (B) Humus. Humus is the organic material that forms as a result of the decomposition of plant and animal matter. It is a dark, nutrient-rich component of soil and plays a vital role in soil fertility. Humus improves soil structure, retains moisture, and provides essential nutrients for plant growth. It is a key element in sustaining healthy and productive soils in various ecosystems.
Which of the following statements describes “endemic species”?
(A) Species that are found only in some particular areas
(B) Species that have come from abroad
(C) Species with less population may move to the category of endangered species
(D) Species that are not found existing after intense searches
(A) Species that are found only in some particular areas
Endemic species are those that are native and restricted to specific geographical areas and are not naturally found anywhere else in the world. They have evolved and adapted to particular local conditions, making them unique to those specific regions.
Which of the following is called the land of white Elephants?
(A) Cuba
(B) Turkey
(C) Thailand
(D) Africa
The land of white elephants is (C) Thailand. This term is often used metaphorically to refer to Thailand, highlighting its cultural richness and uniqueness. In Thai culture, the white elephant is considered a symbol of good luck and prosperity.
Arakan Yoma is the extension of the Himalayas located in
(A) Nepal
(B) Kashmir
(C) Baluchistan
(D) Myanmar
Arakan Yoma is the extension of the Himalayas located in (D) Myanmar. The Arakan Yoma mountain range runs through the western part of Myanmar (Burma) and extends into southeastern Bangladesh.
The disconnected lines drawn on a map for showing the slope are called ______
(A) Isohaline
(B) Hachure
(C) Isohyet
(D) Contours
The disconnected lines drawn on a map for showing the slope are called (B) Hachure. Hachures are short, parallel lines that are drawn on a map to represent relief features such as slopes and hills. The spacing and orientation of hachures provide a visual indication of the steepness and direction of slopes on the map. Hachures are commonly used in cartography to enhance the representation of terrain and elevation.
Which one of the following cities is not a former capital of the given country (Country given in the brackets)?
(A) Kyoto ( Japan )
(B) Brisbane ( Australia )
(C) Karachi ( Pakistan )
(D) Auckland ( New Zealand )
Brisbane is not a former capital of Australia. The other cities are all former capitals of their respective countries:
Karachi: The capital of Pakistan from 1947 to 1959
Auckland: A former capital of New Zealand
Kyoto: A former capital of Japan
Brisbane was the capital of Australia before Canberra from 1842 to 1859.
Which of the following is the world's top environmental conservation award?
(A) Golden Globe Award
(B) Golden Palms Award
(C) Golden Bear Award
(D) Golden Panda Award
The world's top environmental conservation award is (D) Golden Panda Award. The Golden Panda Award is presented by the World Wildlife Fund (WWF) and is recognized as one of the most prestigious awards for conservation efforts globally. It is awarded to individuals and organizations for outstanding contributions to the conservation of the world's natural heritage. The other options mentioned (Golden Globe Award, Golden Palms Award, and Golden Bear Award) are associated with achievements in the film industry.
Which of the following are the sweetest sugars?
(A) Fructose
(B) Maltose
(C) Sucrose
(D) Glucose
Fructose is often regarded as the sweetest sugar among the options provided. It is a natural sugar found in fruits, honey, and some vegetables. Fructose is sweeter than glucose, sucrose (which is a combination of glucose and fructose), and maltose. Due to its high sweetness level, fructose is commonly used as a sweetener in various food products and beverages.
Penicillin is obtained from?
(A) Algae
(B) Fungus
(C) Yeast
(D) Lichen
Penicillin is obtained from fungi, specifically a group of molds known as Penicillium. The discovery of penicillin, one of the first widely used antibiotics, is credited to Sir Alexander Fleming in 1928. Fleming observed that the mold Penicillium notatum produced a substance that could inhibit the growth of bacteria. This substance was later named penicillin and became a groundbreaking antibiotic in the field of medicine, revolutionizing the treatment of bacterial infections. Therefore, the correct answer is (B) Fungus.
It causes clotting of blood –
(A) Thrombin
(B) Hemoglobin
(C) Pectin
(D) All of the above
The substance that causes the clotting of blood is:
(A) Thrombin
Thrombin is an enzyme that plays a crucial role in the blood clotting process. It is responsible for converting fibrinogen, a soluble plasma protein, into insoluble fibrin threads. These fibrin threads form a mesh that helps in the clotting of blood, particularly at the site of injury or wound. Therefore, option (A) Thrombin is the correct answer.
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