Biology - MOST IMPORTANT Delhi Police Previous Year Questions
Practice real questions from previous year exams of Delhi Police.
What types of proteins reside within the bilayer membrane that surrounds cells and organelles, and play an important role in the movement of molecules across them and the transmission of energy and signals?
Who conceptualised the idea about animal ecology in 1927?
Which of the following is NOT an amphibian animal?
What are the paired organs of balance commonly found in aquatic invertebrates which are usually fluid-filled vesicles with sensory hairs?
Which of the following statements is NOT correct about cell cycle?
How many openings does the digestive system in Platyhelminthes have?
Which of the given statements about Phylum Angiosperms are correct? A. Angiosperms are non-vascular plants with stems, roots and leaves. B. The seeds of the angiosperm are naked. C. These make up the majority of all plants on earth. D. The seeds develop inside the plant organs and form fruit.
Which species of Arthropods is horseshoe shaped, with hard shell and spine-like tail?
Which of the following is an example of Pteridophytes?
Who is the only living representative of the extremely ancient and diverse group, Sphenopsida, commonly known as ‘horsetails’?
Which syndrome causes a fatty hump between the shoulders, a round face and pink or purple stretch marks on the skin?
Which is the oldest living tree species with fan-shaped leaves commonly used in the treatment of blood disorders and memory issues?
Which genus of the Rhodophyceae family possesses an erect series of branches and a filamentous prostrate section attached to the substratum by means of unicellular rhizoids?
Vacuoles in plant cells can occupy up to what percentage of the cell's volume?
Which physical component is required for transfer of antherozoids?
When was Singer and Nicolson's fluid mosaic model accepted as the foundational model for the interpretation of existing data on membrane proteins and lipids, and their dynamics?
Which of the following is the most dominant flora of the plant kingdom?
Who is credited with the discovery of the cell after observing cork slices under a microscope?
Which cell organelle is known as the 'powerhouse of the cell' because it is the site of cellular respiration and ATP production?
What happens to an animal cell when it is placed in a hypotonic solution?