Q21. Consider the following statements:
- Mirage 2000 is a twin-engine fighter jet.
- HAL Tejas is is a delta-winged fighter jet.
- Rafale is a hypersonic fighter jet.
Which of the statements given above is/are correct?
(a) 1 and 2
(b) 2 only
(c) 1 and 3
(d) 3 only plec Mace
Q22. Which one of the following aerospace companies designed and manufactured Falcon 9′, a reusable rocket?
(a) Blue Origin
(c) Lockheed Martin
Q23. ‘The Kh-47M2 Kinzhal’, nuclear a capable hypersonic missile, belongs to which one of the following countries?
Q24. Mariupol city, frequently mentioned in news in the context of Russia-Ukraine conflict, is situated on the coast of
(a) Aral Sea
(b) Baltic Sea
(c) Caspian Sea
(d) Sea of Azov
Q25. Recently, with which one of the following countries did India sign the ‘Comprehensive Economic Partnership Agreement’ ?
(c) South Africa
(d) United Arab Emirates
Q26. Which one of the following is the difference of the sum of cubes of first ten natural numbers and the sum of squares of first ten natural numbers?
Q27. A person buys an item from a shop for which the shopkeeper offers a discount of 10% on the marked price. The person pays using an e-wallet which gives 10% cash back. Which one of the following 19 is the value of effective discount?
Q28. A solid spherical ball made of iron is melted and two new balls are made whose diameters are in the ratio of 1:2. The ratio of the volume of the smaller new ball to the original ball is
Q29. Suppose a bank gives an interest of 10% per annum compounded annually for a fixed deposit for a period of two years. What should be the simple interest rate per annum if the maturity amount after two years is to remain the same?
Q30. A runner’s average speed reduces by 25% every hour. If he runs 16 km in the first hour and he runs for 3 hours, then what is his overall average speed?
(a) 12 km/hr
(b) 12.33 km/hr
(c) 10.33 km/hr
(d) 13 km/hr
Q31. Trough and ridge are
(a) elongated area of low pressure and of high pressure respectively
(b) elongated areas of low pressure
(c) elongated areas of high pressure
(d) elongated area of high pressure and of low pressure respectively
Q32. The boundary layer of the forest at which the energy exchange occurs and some insolation is returned directly to space is
(a) forest floor
(b) forest soil
(c) forest canopy
(d) forest litter
Q33. The organisms that prefer high salt concentration habitats refer to as
Q34. Which one of the following is not an operating system?
Q35. Which one of the following protocols is not an application layer of the TCP/IP model?
Q36. Which one of the following is a semi-conductor device that is used to increase the power of the incoming signals by preserving the shape of the original signal?
Q37. Which of the following combinations correctly represents the genetic materials in prokaryotes and eukaryotes respectively?
(a) Nucleoid and Chromatin
(b) Chromatin and Nucleoid
(c) Nucleoid and Nucleolus
(d) Nucleolus and Chromatin
Q38. Lysosomes are sacs of the cell filled with digestive enzymes. These digestive enzymes are synthesized by
(a) Golgi bodies
(b) smooth endoplasmic reticulum
(c) rough endoplasmic reticulum
(d) lysosome itself
Q39. Which of the following best represents the cells of a meristem of plant?
(a) Dense cytoplasm, thin cell wall, large vacuoles nuclei and absence of
(b) Dense cytoplasm, thin cell wall, large nuclei and large vacuoles
(c) Dense cytoplasm, thin cell wall, nuclei and absence of Telmall vacuoles
(d) Dense cytoplasm, thick cell wall, small nuclei and large vacuoles
Q40. Which one of the following animals has a four-chambered heart?
(a) King cobra