How can we get rid of weeds without relying on chemical herbicides? Select all that apply.Grow crops together with weed-killing plantsApply antibiotics to the soilZap weeds with electricityIncrease the level of nutrients in the surrounding soil and air

Weeds affect the crop plants byThe killing of plants in the field before they growDominating the plants to growCompeting for various resources of crops (plants) causing low availability of nutrientsAll of the above

Why are perennial weeds less likely to be controlled by cultivation or contact herbicides than annual weeds?

Name the methods applied for weeding.Answer:

Read the extract to attempt questions that follow.Mr Lamb: Look, boy, look.... what do you see?Derry: Just....grass and stuff. Weeds.Mr Lamb: Some call them weeds. If you like, then.... a weed garden, that. There’s fruit andthere are flowers, and trees and herbs. All sorts. But over there.... weeds. I grow weedsthere. Why is one green, growing plant called a weed and another‘flower’? Where’s the difference. It’s all life....growing. Same as you and me.Derry: We’re not the same.Mr Lamb: I’m old. You’re young. You’ve got a burned face, I’ve got a tin leg. Notimportant.You’re standing there.... I’m sitting here. Where’s the difference?(i) Like the play, the given extract is a study in contrasts. What does Mr Lamb seek to dobybringing up distinctions?(a) To explain that weeds are important and should be valued and cared for as much asflowers.(b) To emphasize that distinctions are made by man to serve specific purposes and uses.(c) To highlight that labels are arbitrary and essentially reflect a common life experience.(d) To remind Derry that the only difference that matters is that of attitude andexperience.(ii) How would you describe Derry’s tone when he says–“We’re not the same”?(a) Angry(b) Perplexed(c) Gloomy(d) Practical(iii) Look at the given images ofbooks. In which of the following areyou NOT likely to find Mr Lamb’swords as given in the extract?(a) Options (i) and (iii)(b) Options (i) and (iv)(c) Options (ii) and (iv)(d) Options (ii) and (iii)(iv) Which of the following represents Mr Lamb’s analysis of flowers and weeds?(a) Comparison is an act of violence against the self.(b) If you have a garden in your library, everything will be complete.1111

Genetic engineering of crop plants to make them resistant to weed (plant considered undesirable in a particular situation, "a plant in the wrong place") killers is important because _______________.Group of answer choicesthe cost of producing these crops is less since they do not need to be weededweed killers also kill moth and butterfly larvaemany weed killers remain active for yearsit increases erosion of topsoil