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In some plants, the female gamete develops into embryo without fertilization. This phenomenon is known as?

(1) Autogamy (2) Parthenocarpy (3) Syngamy (4) Parthenogenesis Answer: (4) Further Reading: List of 25 Important Topics in Biology for... View Article

Match the following organisms with the products they produce (NEET 2019 CODE P1)

(a) Lactobacillus (i) Cheese (b) Saccharomyces cerevisiae (ii) Curd (c) Aspergillus niger (iii) Citric Acid (d) Acetobacter aceti (iv) Bread... View Article

Select the incorrect statement (from NEET 2019 Paper CODE P1)

(1) Inbreeding increases homozygosity (2) Inbreeding is essential to evolve purelines in any animal. (3) Inbreeding selects harmful recessive genes... View Article

Select the incorrect statement (NEET 2019 – CODE P1)

(1) Male fruit fly is heterogametic (2) In male grasshoppers 50% of sperms have no sex-chromosome (3) In domesticated fowls,... View Article

Due to increasing air-borne allergens and pollutants, many people in urban areas are suffering from respiratory disorder causing wheezing due to?

(1) benign growth on mucous lining of nasal cavity (2) inflammation of bronchi and bronchioles (3) proliferation of fibrous tissues... View Article

Select the correct sequence for transport of sperm cells in male reproductive system?

(1) Testis -> Epididymis -> Vasa efferentia -> Rete testis -> Inguinal canal -> Urethra (2) Seminiferous tubules -> Rete... View Article

Consider the following statements about enzymes?

(A) Coenzyme or metal ion that is tightly bound to enzyme protein is called the prosthetic group. (B) A complete... View Article

Which one of the following equipments is essentially required for growing microbes on a large scale, for industrial production of enzymes?

(1) BOD incubator (2) Sludge digester (3) Industrial oven (4) Bioreactor Answer: (4) Further Reading: List of 25 Important Topics... View Article

In A Species, The Weight Of Newborn Ranges From 2 To 5 Kg. 97% Of The Newborn With An Average Weight Between 3 To 3.3 Kg Survive Whereas 99% Of The Infants Born With Weight From 2 To 2.5 Kg Or 4.5 To 5 Kg Die. Which Type Of Selection Process Is Taking Place?

(1) Directional Selection (2) Stabilizing Selection (3) Disruptive Selection (4) Cyclical Selection Answer: (2) Further Reading: List of 25 Important... View Article

Which One Of The Following Is Not A Method In Situ Conservation Of Biodiversity?

(1) Biosphere Reserve (2) Wildlife Sanctuary (3) Botanical Garden (4) Sacred Grove Answer: (3) Further Reading: List of 25 Important... View Article

The Ciliated Epithelial Cells Are Required To Move Particles Or Mucus In A Specific Direction. In Humans, These Cells Are Mainly Present In?

(1) Bile duct and Bronchioles (2) Fallopian tubes and Pancreatic duct (3) Eustachian tube and Salivary duct (4) Bronchioles and... View Article

Consider Following Features About A Certain Animal Group/Groups?

(a) Organ system level of organisation (b) Bilateral symmetry (c) True coelomates with segmentation of Body Select the correct option... View Article

Grass Leaves Curl Inwards During Very Dry Weather. Select The Most Appropriate Reason From The Following?

(1) Closure of stomata (2) Flaccidity of bulliform cells (3) Shrinkage of air spaces in spongy mesophyll (4) Tyloses in... View Article

Colostrum The Yellowish Fluid, Secreted By Mother During The Initial Days Of Lactation Is Very Essential To Impart Immunity To The NewBorn Infants Because It Contains?

(1) Natural killer cells (2) Monocytes (3) Macrophages (4) Immunoglobulin A Answer: (4) Further Reading: List of 25 Important Topics... View Article

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