

InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
251. |
A gland below the bladder and surrounding the urethra is |
Answer» Prostate Prostate gland is about the SIZE of a WALNUT, and SURROUNDS the neck of the BLADDER and urethra—the tube that carries urine from the bladder. |
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252. |
Which structure is specific to eukaryotic cells? |
Answer» Nucleus Nucleus is SPECIFIC to EUKARYOTIC CELL. |
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253. |
Where does protein synthesis take place? |
Answer» Ribosomes Ribosomes are the SITES in a cell in which PROTEIN synthesis takes place. Cells have many ribosomes, and the exact number depends on how ACTIVE a particular cell is in synthesizing proteins. |
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254. |
Which cell feature is responsible for storing water ? |
Answer» Vacuole Vacuole is RESPONSIBLE for STORING WATER. |
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255. |
Which of the following organelles contain enzymes that have digestive action? |
Answer» Lysosomes Lysosomes are membrane-enclosed organelles that contain an array of ENZYMES capable of BREAKING down all TYPES of biological polymers—proteins, NUCLEIC ACIDS, carbohydrates, and lipids. |
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256. |
It is the basic structure found in all membranes such as those of mitochondria and chloroplasts. |
Answer» UNIT membrane Unit membrane is the basic structure FOUND in all MEMBRANES such as those of mitochondria and CHLOROPLASTS. |
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257. |
Commercial agar is obtained from |
Answer» Gracilaria The gelling agent in AGAR is an unbranched polysaccharide obtained from the cell walls of some species of red algae, primarily from tengusa (Gelidiaceae) and ogonori (Gracilaria). For COMMERCIAL PURPOSES, it is derived primarily from ogonori. |
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258. |
Which organ filters blood in human body? |
Answer» Kidneys Kidneys filter waste and TOXINS out of the blood. They are RESPONSIBLE for taking waste out of other FLUIDS in the BODY as well. |
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259. |
The device to measure transpiration in plants is |
Answer» Potometer A potometer, SOMETIMES known as transpirometer, is a device USED for measuring the rate of WATER uptake of a LEAFY shoot which is almost equal to the water lost through TRANSPIRATION. |
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260. |
Monotremes are unique mammals because they |
Answer» lay eggs Monotremes are DIFFERENT from other mammals because they lay eggs and have no TEATS. Monotremes are different from other mammals because they lay eggs and have no teats. The milk is provided for their young by being secreted by many PORES on the female's BELLY. |
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261. |
Smallest bone of human body is |
Answer» Stapes The 3 smallest bones in the HUMAN BODY--malleus, incus, and stapes--are located in the middle ear. At 3 x 5 mm in SIZE, the stapes is the smallest bone in the human body. |
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262. |
Which of the following is not a function of proteins? |
Answer» |
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263. |
They are extremely diverse group of organisms. |
Answer» Fungi |
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264. |
The grouping of blood is based on substances called |
Answer» Antigens The red BLOOD corpuscles or ERYTHROCYTES usually carry antigens and there are two TYPES of antigens. The A GROUP persons have ANTIGEN A in their red corpuscles and the B group have antigen B in their red corpuscles. The AB group person have both antigen A and antigen B in their erythrocytes. The 'O' group persons have no antigens in their red corpuscles. |
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265. |
Which of the following are known as the suicide bags of cells? |
Answer» Lysosomes Lysosomes are found in animal cell, they are also known as suicidal bags of the cell. A human cell contains AROUND 300 lysosomes. They not only digest LARGE molecules but also RESPONSIBLE for breaking down and getting rid of WASTE products of the cell. They have enzymes which allow them to carry out these processes. |
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266. |
Study of the effects of toxic chemical substance on animal and plant is |
Answer» Toxicology Toxicology is TRADITIONALLY defined as "the science of poisons." Over time, our understanding of how various AGENTS can cause harm to humans and other organisms has increased, resulting in a more descriptive definition of toxicology as "the study of the adverse effects of chemical, PHYSICAL, or biological agents |
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267. |
Red colour of blood is due to presence of |
Answer» |
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268. |
Accumulation of which one of the following leads to cramp? |
Answer» Lactic acid The accumulation of lactic acid is the main REASON for the FORMATION of CRAMPS in SPRINTERS. |
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269. |
Which one of the following phylum is characterised by absence of true coelom? |
Answer» Nematoda Nematodais CHARACTERISED by ABSENCE of TRUE COELOM. |
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270. |
The plasma of the blood contains which among the following constituents?I. ProteinsII. SaltsIII. Hormones |
Answer» All I, II and III The PLASMA of the blood contains PROTEINS, SALTS and HORMONES. |
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272. |
Which one of the following is not an insect: |
Answer» Spider Spiders are ARACHNIDS. So are scorpions, mites, and ticks. Arachnids are classified primarily by having eight legs and two distinct body REGIONS, the cephalothorax (which is a FUSION of the HEAD and THORAX), and the abdomen. |
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273. |
Chemical co-ordination in the body is brought out by |
Answer» Hormones In vertebrates the CHEMICAL coordination is BROUGHT about by endocrine glands which SECRETE hormones. |
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274. |
Aestivation is seen in |
Answer» Amphibians Aestivation occurs in animals LIVING in DESERTS and tropical regions. This is done to protect themselves from hot and dry climate, and due to the scarcity of food WATER. This can be seen in earthworms, molluscs, ARTHROPODS, reptiles and amphibians. A lungfish can aestivate and SURVIVE without water for three years. |
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275. |
When the concentration of water and solutes on either side of the cell membrane is same, the solution is said to be |
Answer» Isotonic When the CONCENTRATION of water and solutes on either SIDE of the CELL membrane is same, the solution is SAID to be isotonic. |
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276. |
Such plants which are adapted to survival under conditions a limited supply of water in its habitat are known as |
Answer» Xerophytes A xerophyte is a species of PLANT that has adaptations to survive in an ENVIRONMENT with little liquid water, such as a desert or an ice- or snow-covered region in the ALPS or the Arctic. Popular EXAMPLES of xerophytes are cacti, pineapple and some GYMNOSPERM plants. |
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277. |
Artocarpus integra is the scientific name of ________ . |
Answer» Artocarpus INTEGRA is the SCIENTIFIC NAME of jack fruit. |
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278. |
Branch of biology in which we study about relationship between living and their environment. |
Answer» Ecology Ecology is the BRANCH of biology that explains the RELATIONSHIP between organisms and their environments. |
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279. |
Which of the following is true of annelids? |
Answer» They PERFORM GAS EXCHANGE ACROSS their SKIN Annelids perform gas exchange across their skin. |
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280. |
Which one of the following is modification of parenchyma? |
Answer» Chlorenchyma Parenchyma CELLS with CHLOROPLAST to carry out photosynthesis are CALLED as chlorenchyma cells. Therefore, option D is correct. |
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281. |
How many daughter cells are formed after the completion mitosis? |
Answer» 2 At the end of MITOSIS, two daughter cells will be formed which are exact copies of the ORIGINAL cell. Each daughter cell will have 30 CHROMOSOMES. |
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282. |
The primary goal of conservation biology is to |
Answer» Counter the loss of biodiversity As a DISTINCT scientific field, CONSERVATION biology is an integrated, multidisciplinary subject that developed in response to the challenge of PRESERVING populations, SPECIES, ecosystems, and biological INTERACTIONS. The main aim of conservation biology is to ensure the long-term preservation of biodiversity. |
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283. |
Precentage of CO2 found in exhaled air is |
Answer» 0.04 |
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284. |
Virus is not regarded as a cell, because |
Answer» All of the above VIRUSES are not made out of cells, they can't keep themselves in a stable state, they don't grow, and they can't make their own energy. EVEN though they DEFINITELY replicate and adapt to their environment, viruses are more like ANDROIDS than real living ORGANISMS. |
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285. |
Which is not a function of the cell membrane? |
Answer» HELPS substances PASS from the CYTOPLASM into the NUCLEUS Cell MEMBRANE does not help substances pass from the cytoplasm into the nucleus. |
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286. |
Which are called the factory of protein synthesis? |
Answer» Ribosomes Ribosomes are KNOWN as the PROTEIN factory of the cell. As they SYNTHESIZES the proteins by gathering and assembling AMINO acids into protein CHAINS. |
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287. |
Which part of Nervous system controls involuntary actions? |
Answer» Medulla oblongata CONTROLS INVOLUNTARY ACTIONS. |
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288. |
The study of structures of organisms, their cells and their organelles at molecular level is known as |
Answer» Cell BIOLOGY Study of cell structure and function is called cell biology. Cell biology is a BRANCH of biology that STUDIES cells, their PHYSIOLOGICAL properties, their structure, the organelles they CONTAIN, interactions with their environment, their life cycle, division, death and cell function. |
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289. |
In which year, Schwann and Schleiden suggested that cells were the basic unit of life |
Answer» Credit for developing cell THEORY is usually given to three scientists: Theodor Schwann, Matthias Jakob SCHLEIDEN, and Rudolf Virchow. In 1839, Schwann and Schleiden suggested that cells were the BASIC unit of life. |
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290. |
Number of which type of WBC is greatest in blood of human? |
Answer» Neutrophils Neutrophils are the most abundant white blood cell, CONSTITUTING 60-70% of the CIRCULATING leukocytes, and including two functionally unequal subpopulations: neutrophil-killers and neutrophil-cagers. They DEFEND against BACTERIAL or FUNGAL infection. |
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291. |
Blood and lymph are types of |
Answer» CONNECTIVE tissue |
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292. |
Which of the following is a good source of protein? |
Answer» Soyabean |
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293. |
Which one among the following Indian scientist proposed a theory for long distance transport of water in plants? |
Answer» N.S. PARIHAR N.S. Parihar PROPOSED a theory for long DISTANCE TRANSPORT of WATER in plants. |
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294. |
Which of the fungi is commonly called as bread mould? |
Answer» Rhizopus STOLONIFER is COMMONLY known as BLACK bread mold. It is a member of Zygomycota and CONSIDERED the most important species in the genus Rhizopus. |
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296. |
Finger like ends of the fallopian tubes are called |
Answer» Fimbriae The fimbriae of the UTERINE tube, also known as fimbriae tubae, are SMALL, finger LIKE projections at the END of the fallopian tubes, through which eggs move from the ovaries to the uterus. The fimbriae are connected to the OVARY. |
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297. |
The movement of materials across the cell membrane with the help of biological energy provided by ATP is called |
Answer» ACTIVE Transport Primary active transport moves ions ACROSS a membrane and creates a difference in charge across that membrane. The primary active transport system uses ATP to move a SUBSTANCE, such as an ION, into the cell, and often at the same time, a second substance is moved out of the cell. |
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298. |
In the human being, normally in which one of the following parts, does the sperm fertilize the ovum? |
Answer» FALLOPIAN tube Human fertilization is the UNION of a human egg and sperm, usually occurring in the AMPULLA of the fallopian tube. The result of this union is the production of a zygote cell, or FERTILIZED egg, initiating prenatal development. |
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299. |
Anaemia is caused because of deficiency of which of the following? |
Answer» Iron As the name implies, iron deficiency anaemia is DUE to INSUFFICIENT iron. Without enough iron, your body can't produce enough of a SUBSTANCE in red blood cells that enables them to carry OXYGEN (hemoglobin). As a result, iron deficiency anaemia may leave you tired and SHORT of breath. |
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300. |
The main thinking part of the brain is |
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