Archives

Which Of The Following Statements Is Incorrect About Viriods, Viruses Or Prions?

(1) Viroids lack a protein coat (2) Viruses are obligate parasites (3) Infective constituent in viruses is the protein coat (4) Prions consist of... View Article

Pinus Seed Cannot Germinate And Established Without Fungal Association. This Is Because?

(1) its embryo is immature (2) it has obligate association with mycorrhizae (3) it has very hard seed coat (4) its seeds contain inhibitors that... View Article

A Gene Locus Has Two Alleles A, A. If The Frequency Of Dominant Allele A Is 0.4, Then What Will Be The Frequency Of Homozygous Dominant, Heterozygous And Homozygous Recessive Individuals In The Population?

(1) 0.36(AA); 0.48(Aa); 0.16(aa) (2) 0.16(AA); 0.24(Aa); 0.36(aa) (3) 0.16(AA); 0.48(Aa); 0.36(aa) (4) 0.16(AA); 0.36(Aa); 0.48(aa) Answer: (3)... View Article

Select The Hormone-releasing Intra-uterine Devices.

(1) Vaults, LNG-20 (2) Multiload 375, Progestasert (3) Progestasert, LNG-20 (4) Lippes Loop, Multiload 375 Answer: (3) Further Reading: List... View Article

In Antirrhinum (Snapdragon), A Red Flower Was Crossed With A White Flower And In F1 Generation Pink Flowers Were Obtained. When Pink Flowers Were Selfed, The F2 Generation Showed White, Red And Pink Flowers. ChooseThe Incorrect Statement From The Following?

(1) This experiment does not follow the Principle of Dominance (2) Pink colour in F1 is due to incomplete dominance (3) Ratio of F2 is 1/4 (Red)... View Article

Following Statements Describe The Characteristics Of The Enzyme Restriction Endonuclease. Identify The Incorrect Statement.

(1) The enzyme cuts DNA molecule at identified position within the DNA. (2) The enzyme binds DNA at specific sites and cuts only one of the two... View Article

Tidal Volume and Expiratory Reserve Volume of an athlete is 500 mL and 1000 mL, respectively. What will be his dxpiratory Capacity if the Residual Volume is 1200 mL?

(1) 1500 mL (2) 1700 mL (3) 2200 mL (4) 2700 mL Answer: (1) Further Reading: List of 25 Important Topics in Biology for... View Article

Cell in G0 phase does the following?

(1) exit the cell cycle (2) enter the cell cycle (3) suspend the cell cycle (4) terminate the cell cycle Answer: (1) Further Reading: List of... View Article

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 (v)... 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... 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, sex of progeny... 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 and damage of... 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 catalytic active enzyme with... 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 in Biology... 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... 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 Topics in... 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 Fallopian tubes... 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 of animal... View Article