The synthetic versions of lepidopteran pheromones can be used as pesticides. Our site named CSSMCQs – The biggest CSSMCQs site in Pakistan!, is a blog where we put, collect, organise MCQs and arrange different quizzes in various categories of MCQs asked in different entry tests and exams for Jobs and Admissions these days. Most of these species produce seeds having 32-35% oil content. That itself shows how crucial is to prepare Biology to Score well in NEET. A … (a) Psychoanalysts (b) Behaviourists (c) Functionalists (d) Ancient Greek Philosophers 3. 42. Triticale is being used as a forage crop because its grains are wrinkled. (d) dominant mutation express immediately. Azotobacter is a free living, aerobic, nitrogen fixing bacteria. (b): Fermentation is the enzymatic destruction of a substrate by microorganisms. The secreted fluid comes out through spinneret (a narrow pore situated on the hypopharynx) and takes the form of long fine thread of silk which hardens on exposure to the air and wrapped around the body of the caterpillar in the form of a covering called as cocoon. When plasmids are used as cloning vectors and carry a novel DNA sequence they are referred to as chimaeric plasmids. to separate cheese from liquid called whey. (a): Citric acid is obtained through the fermentation carried out by Aspergillus niger on sugary syrups. Zoology Objective & Practice Questions (HOT & Expected Questions for 2020) for Competitive Exams. 99 MCQs on “Evolution” – Answered! The term exon was coined by American biochemist Walter Gilbert in 1978. Author Rahij Anwar Rs. During anaerobic digestion of organic waste, such as in producing biogas, which one of the following is left undegraded? 26. Notably, there are three sections – Physics, Chemistry and Biology, among which the total number of NEET Biology MCQ is 90. Physics MCQ with detailed explanation for interview, entrance and competitive exams. Nowadays cornea transplantation is very popular. 126. Which one of the following fish is introduced into India by foreigners? In cloning of cattle a fertilized egg is taken out of the mother’s womb and, (a) in the eight cell stage, cells are separated and cultured until small embryos are formed, (b) in the eight cell stage the individual cells are separated under electrical field for further development in culture media, (c) from this upto eight identical twins can be produced. 131. It is mostly inoculated in rice fields in south-east Asia and is found to increase yield upto 50%. Which of the following is the pair of biofertilizers? This entire process is called fermentation. (b): Serratia marcescnx is considered a harmful human pathogen which has been known to cause urinary tract infections, wound infections, and pneumonia. 61. During synthesis it has a molecular precursor, proinsulin. Exons of many eukaryotic genes interleave with segments of non-coding DNA (introns). Automobile Engineering: 8. Each topic has hundreds of biology questions and answers multiple choice. mcq quiz multiple choice questions test for Collge exams, educational questions with answer MCQ GK explaination. Inbreeding involves production of progenies by mating between relatives. In this way, considerable homozygosity is obtained. This can be done by breakage of a DNA molecule at two desired places into another DNA molecule of the desired animal. Facts and Definitions – simple MCQs, filler based etc. Introduction to Biology Online Quiz Test MCQs. E. Coli about to replicate was placed in a medium containing radioactive thymidine for five minutes. The choice of frequency is a trade-off between spatial resolution of the image and imaging depth: lower frequencies produce less resolution but image deeper into the body. 70. Successful recombination would result in integration of the novel sequence into the plant cell genome and expression of the sequence in the life of the cell. 19. MULTIPLE CHOICE QUESTIONS 1. 106. Wt. 78. In the following quiz, we’re going to test your knowledge on these organisms by offering you a multiple-choice quiz on the topic. The workers are atrophid female which sacrifice themselves for the well-being of the colony. Beeswax is used in the manufacture of cosmetics, for Catholic churches, face cream, paints, ointments, insulators, plastic works, polishes, carbon paper, lubricant etc. In a population of insects there may be a few individuals that carry genes for resistance. Cashewnut and rubber have their center of origin in Brazil and potato has Peru as its center of origin. A Coombs test. 90. India’s wheat yield revolution in the 1960s was possible primarily due to, (c) mutations resulting in plant height reduction. Golden rice proved to be a rich source of vitamin A for the consumers of rice. These colonies are imprinted on petriplatesto form the master pattern and other plates having streptomycin can then be pressed on velveteen to get an impression. Which of the following fern is an excellent biofertilizer? 82. Biology MCQs preparation is very important for students who want to pursue their career in the medical field. CBSE; JEE; NEET; NTSE; BITSAT; CTET; ICAI; CBSE. Monoculture is the destruction of a diverse ecosystem and replacement with a single species or crop. The cornea is avascular (i.e., gets no blood supply). The organism, used for alcohol fermentation, is. View Answer . Other third generation pesticides are insect growth regulators, chitin synthesis inhibitors, and juvenile hormones. 108. (d): Haploid production through a culture has been referred to as androgenesis. The nucleus containing DNA was extracted from an udder cell (which had been deprived of nutrients) and inserted into an ’empty’ egg cell (from which the nucleus had been removed) using the technique of nuclear transfer. (d): Aruna of castor is a crop variety which is not due to induced mutations. 93. TOS4. Of these, Pongamia and Jatropha are emerging as favourites. NEET is a Prestigious Medical Entrance Exam held across the country. 1. Basically it is a respiratory process, usually anaerobic. Such blots are then hybridized with radiolabeled probe DNA consisting of cloned sequences of the short interspersed repeat sequences which are common in vertebrate genomes. Production of a human protein in bacteria by genetic engineering is possible because, (a) the human chromosome can replicate in bacterial cell, (b) the mechanism of gene regulation is identical in humans and bacteria, (c) bacterial cell can carry out the RNA splicing reactions. 68. Wheat, corn and rice contribute to about two thirds of the total world’s food. These genes arise from mutations which are rare. This fertilized egg divides mitotically to form the whole organism so that all the cells of the organism will carry the transferred gene. They are fast growing and start giving economic yields at the end of fourth year. Wang, Smith, & Davies: Thrive in Cell Biology Chapter 3: Multiple choice questions. Triticale or Triticosecale is not suitable for purpose of bread making due to low glutein content, but it is a good forage crop. 20. In Lederberg’s replica plating experiment what shall be used to obtain streptomycin resistant strain. RNA polymerase catalyse the synthesis of RNA using as template either on existing DNA strand or an RNA strand. It is the cis- isomer, the trans-isomer being brassidic acid. Practice with these questions to score high marks in exam. Its nucleus was carefully removed leaving the intact cytoplasm in egg. They were brought to India by the European invaders. Plasmids are closed circles of double-stranded DNA. How life came into existence? Linoleic acid is an important fatty acid especially for growth and development of infants. They frequently carry genes conferring antibiotic resistance or coding for molecules such as colic in infective drug resistance. (a) are present in mammalian cells for degradation of DNA when the cell dies, (b) are used in genetic engineering for ligating two DNA molecules, (d) are synthesized by bacteria as part of their defense mechanism. Plasmids are closed circles of double-stranded DNA, ranging in size from one to 200 kilobases. Then this pyruvic acid is converted to acetaldehyde and finally to ethyl alcohol in the absence of oxygen. Home ›› Related Essays: … So it is more profitable in vegetatively propagated plants as they do not involve sexual reproduction and so hybrid vigour is not lost in subsequent crops, e.g. Instructions. NUST NET Applied Biosciences comprised of subject as well as English and Intelligence sections. Which one of the following pairs is wrongly matched? As it has no blood supply, so it is also lacking in lymphocytes (component of immune system), thus, it can be easily transplanted (as there will be no rejection of transplant from immune system). Multiple Choice Questions for NEET and AIIMS Exams Total 30000+ Nos. This test is objective type and consists of Biology MCQs. It is just possible that predators of a particular plant pest are unable to get established and multiply in a particular environment. (a): Transgenic plants are those plants in which a foreign gene has been introduced and stably integrated into host DNA. The eggs, after ten days of incubation hatch into a larva called as caterpillar. A gene resistant to PPT (L-phosphinothricin), an active ingredient of herbicide ‘Basta’, was isolated from Medicago saliva. This is the most recent exam paper. 99 MCQs on “Evolution” – Answered! Comprehensive and up-to-date question bank of mutiple choice objective practice questions and answers on Zoology for Competitive Exams. It is also used as stablizer or emulsifier in food, cosmetics, leather and pharmaceutical industries. (a): Haploid plants are those plants which have single set of chromosomes. Sharbati Sonora and Pusa Lerma are the two important varieties of wheat that are produced by gamma rays treatment of Sonora-64 and Lerma Rojo-64 which are Mexican dwarf wheat vareicties. Apis dorsata is the largest honey bee and A. indica is slightly smaller than it. We have collected all the data and we have tried to provide you the best information related to Everyday Science MCQs with answers. 97. 66. It has been developed by transferring beta carotene synthesizing gene into the transgenic rice. Euthenics is the suitable environment for human well being, health and intellect. Oleic acid is found in various animal and vegetable sources. Other cloning vectors like PACYC177, PBR324, and PRK 64.6; contain ampicillin resistance gene they are also found in E.coli. 2. online gk on Human Biology, Biology Terms, Biology Cells & Anatomy. Addiction is a state of dependence produced by the habitual taking of drugs, alcohol etc. Which of the following is the New World spice, that has become an essential part of Indian cuisine? Cellulose is a long chain of glucose molecules, linked to one another primarily with glycosidic bonds. The raw silk fibres forming the cocoon are then reeled out into silk threads. Password Reset; Log Out; Take a Quiz; Submit MCQs; Search for: Menu Close Menu. It is not involved in the production of vinegar. 10. Cellular totipotency was demonstrated by. We will provide you MCQs of Biology topics, so you can prepare accordingly. In MDCAT and ETEA, NUMS, ECAT and other medical and engineering entry tests, Physics test are conducted. 14. So apical meristems are virus free. (a): New world crops are those which have their centre of origin in America. Superficial structures such as muscles, tendons, testes, breast and the neonatal brain are imaged at a higher frequency (7-15 MHz), which provides better axial and lateral resolution. In recent years, DNA sequences (nucleotide sequence) of m/DNA and Y chromosomes were considered for the study of human evolution, because, (a) they are small and therefore, easy to study, (b) they are uniparental in origin and do not take part in recombination, (c) their structure is known in greater detail, (d) they can be studied from the samples of fossil remains. 52. 119. 22. Golden rice is a promising transgenic crop. It is used as base in culture media for algae, fungi, bacteria and tissues. The green manure checks soil erosion by forming protective soil cover and also prevents leaching. When the fern plants die and decay they release nitrogen for utilization of the rice plants. Which of the following is non-symbiotic biofertilizer? It forms an effective tool for biological control of mosquitoes. 41. However, Our Main focus is on the MCQs of CSS, PMS and Other Competitive Exams. 3. As a result of this enzymes required, for overall growth are not synthesised and thus the plants will die. 83. 49. Farmers have reported over 50% higher yields of rice by using, which of the following biofertilizer? 54. 33. 295 Qty: MCQs in Anatomy with Explanatory Answers. (c): The new plant varieties are produced by selection and hybridization. Serratia bacteria also have many antibiotic resistance properties which may become important if the incidence of Serratia infections dramatically increases. Biology Quiz - Multiple Choice Questions with Answers. (d): At the time of organogenesis genes regulate the process at different levels and at different time due to exon. B X rays. This reconstituted egg cell was then stimulated to divide by an electric shock and implanted into the uterus of a surrogate mother ewe, who subsequently gave birth to a clone of the original sheep. Free download in PDF Hematology Multiple Choice Questions and Answers for competitive exams. 65. 108. Explanation are given for understanding. These are produced by gamma rays treatment of Sonora-24 and Lerma Rojo – 64 which are the Mexican dwarf varieties. Which of the following is used to manufacture ethanol from starch? sweet potato, sugarcane, strawberry and grapes etc. 126. Electronics & Communication Engineering (ECE) 5. The main steps include: selection of parents, selfing of parents, emasculation, bagging, crossing of desired and selected parents and finally seed setting and harvesting. Its high tolerance to temperature makes it suitable for Tran’s mission oil. It is an Objective type exam in which 50% is dedicated to biology. Selection is a non-random process which leads to individuals of different genotypes being represented unequally in their progeny in later generations of a population of self propagating units. Here total numbers are 6. Go To Download Page Close. Attempt important questions here to improve test performance. 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